The document describes a business intelligence office's need for a data visualization tool to support their data scientists. It outlines their process of defining objectives, identifying alternatives, and building a decision model to evaluate the alternatives. They considered tools like Tableau, Plotly, RShiny, and Bokeh. Their model showed Tableau was the top choice for overall, mathematical, and developer data scientists, while Plotly scored highest for domain data scientists. The document provides details on their evaluation criteria, results, and recommendations to support selecting the best data visualization tools.
Labmatrix is a software application that manages the operational aspects of collaborative clinical and translational research programs, including patient recruiting, consenting, sample management (biobanking), experimental characterization of the samples and tracking of patient clinical profiles.
Qiagram is a collaborative visual data exploration environment that enables investigator-initiated, hypothesis-driven data exploration, allowing business users as well as IT professionals to easily ask complex questions against complex data sets.
Tekslate.com is the Industry leader in providing Informatica Data Quality Training across the globe. Our online training methodology focus on hands on experience of Informatica Data Quality.
Labmatrix is a software application that manages the operational aspects of collaborative clinical and translational research programs, including patient recruiting, consenting, sample management (biobanking), experimental characterization of the samples and tracking of patient clinical profiles.
Qiagram is a collaborative visual data exploration environment that enables investigator-initiated, hypothesis-driven data exploration, allowing business users as well as IT professionals to easily ask complex questions against complex data sets.
Tekslate.com is the Industry leader in providing Informatica Data Quality Training across the globe. Our online training methodology focus on hands on experience of Informatica Data Quality.
Tableau’s predictive modeling feature allows users to leverage powerful statistical models to build and update predictive models efficiently while giving them the flexibility to select their predictors, collaborate on the model results within other table calculations, and comprehend and examine a large volume of data. Go through this presentation to discover how Tableau’s predictive modeling feature allows users to leverage powerful statistical models to build and update predictive models efficiently.
International Journal of Computational Engineering Research(IJCER) is an intentional online Journal in English monthly publishing journal. This Journal publish original research work that contributes significantly to further the scientific knowledge in engineering and Technology
Dallas datascienceconference jasongeng-v3Haoran Du
Jason Geng's presentation at Dallas Data Science Conference 2017 (www.dsassn.org/dallas)
Research of Data Science Project Lifecycle, Skillsets and Gaps between the industry and curriculums provided by universities.
Choosing the right software for your research study : an overview of leading ...Merlien Institute
Choosing the right software for your research study : an overview of leading CAQDAS packages by Christina Silver. This presentation is part of the proceedings of the International workshop on Computer-Aided Qualitative Research organised by Merlien Institute. This workshop was held on the 4-5 June in Utrecht, The Netherlands
This presentation "Tableau interview questions and answers" will help you to get prepared for Tableau job interviews. Tableau has become a mission-critical data visualization tool that helps people quickly understand data. The usefulness and popularity of Tableau make it a necessary skill for anyone working with data. As a reflection of the growing importance of data and tools for understanding it, the number of jobs requiring Tableau skills has increased dramatically since 2014.If you’re moving into the field of data analytics or you’re moving up the ladder and need Tableau skills, you’ll probably be interviewing for a job someday soon. We’re here to help, with the key Tableau job interview questions along with their best answers for you to think about ahead of time.
Some of the Tableau interview questions discussed in this presentation are mentioned below. Click on the time stamps to directly jump to that particular question.
1. What are the datatypes supported in Tableau?
2. What do you understand by dimensions and measures?
3. What do you understand by Discrete and Continuous in Tableau?
4. What are filters? Name the different filters in Tableau.
5. There are three customer segments in the Superstore dataset. What percent of the total profits is associated with the Corporate segment?
6. What are the different joins in Tableau? Give example
7. What is the difference between Join and Blending?
8. What is the difference b/w Live and Extract?
9. What is a Calculated Field? How will you create one?
10. How can you display top five and last five sales in the same view ?
11. Is there any difference between Sets and Groups, in Tableau?
12. What is a Parameter in Tableau? Give an example.
13. What is the difference between Tree maps and Heat maps?
14. What is the difference b/w .twbx and .twb?
15. Explain the difference b/w Tableau worksheet, dashboard, story, and workbook?
16. What do you understand by Blended Axis?
17. What is the use of dual axis? How do you create one?
18. What will the following function return? - Left(3, “Tableau”)
19. How do you handle Null and other special values?
20. Find the top product subcategories by Sales within each delivery method. Which sub-category is ranked #2 for first class ship mode?
21. Find the customer with the lowest overall profit. What is his/her profit ratio?
22. What is the Rank function in Tableau?
23. How can you embed a webpage in a dashboard?
24. Design a view to show region wise profit and sales?
25. How can you optimize the performance of a dashboard?
26. Which visualization will be used in the given scenarios:
27. What will you do if some country/province (any geographical entity) is missing and displaying a null when you use map view?
28. What is LOD expression?
29. How can you calculate daily profit measure using LOD?
30. How can you schedule a workbook in Tableau after publishing it?
Learn more at: https://www.simplilearn.com/
Overview of tools for data analysis and visualisation (2021)Marié Roux
This presentation gives a summary of important tools for data analysis and visualisation, for example to clean your data, do statistical analysis, visualisation application and programmes, qualitative analysis, GIS, temporal analysis, network analysis, etc.
Feb.2016 Demystifying Digital Humanities - Workshop 3Paige Morgan
Slides from Demystifying Digital Humanities Workshop 3: Data Wrangling: Programming on the Whiteboard -- taught at the University of Miami Libraries in February, 2016
Tableau’s predictive modeling feature allows users to leverage powerful statistical models to build and update predictive models efficiently while giving them the flexibility to select their predictors, collaborate on the model results within other table calculations, and comprehend and examine a large volume of data. Go through this presentation to discover how Tableau’s predictive modeling feature allows users to leverage powerful statistical models to build and update predictive models efficiently.
International Journal of Computational Engineering Research(IJCER) is an intentional online Journal in English monthly publishing journal. This Journal publish original research work that contributes significantly to further the scientific knowledge in engineering and Technology
Dallas datascienceconference jasongeng-v3Haoran Du
Jason Geng's presentation at Dallas Data Science Conference 2017 (www.dsassn.org/dallas)
Research of Data Science Project Lifecycle, Skillsets and Gaps between the industry and curriculums provided by universities.
Choosing the right software for your research study : an overview of leading ...Merlien Institute
Choosing the right software for your research study : an overview of leading CAQDAS packages by Christina Silver. This presentation is part of the proceedings of the International workshop on Computer-Aided Qualitative Research organised by Merlien Institute. This workshop was held on the 4-5 June in Utrecht, The Netherlands
This presentation "Tableau interview questions and answers" will help you to get prepared for Tableau job interviews. Tableau has become a mission-critical data visualization tool that helps people quickly understand data. The usefulness and popularity of Tableau make it a necessary skill for anyone working with data. As a reflection of the growing importance of data and tools for understanding it, the number of jobs requiring Tableau skills has increased dramatically since 2014.If you’re moving into the field of data analytics or you’re moving up the ladder and need Tableau skills, you’ll probably be interviewing for a job someday soon. We’re here to help, with the key Tableau job interview questions along with their best answers for you to think about ahead of time.
Some of the Tableau interview questions discussed in this presentation are mentioned below. Click on the time stamps to directly jump to that particular question.
1. What are the datatypes supported in Tableau?
2. What do you understand by dimensions and measures?
3. What do you understand by Discrete and Continuous in Tableau?
4. What are filters? Name the different filters in Tableau.
5. There are three customer segments in the Superstore dataset. What percent of the total profits is associated with the Corporate segment?
6. What are the different joins in Tableau? Give example
7. What is the difference between Join and Blending?
8. What is the difference b/w Live and Extract?
9. What is a Calculated Field? How will you create one?
10. How can you display top five and last five sales in the same view ?
11. Is there any difference between Sets and Groups, in Tableau?
12. What is a Parameter in Tableau? Give an example.
13. What is the difference between Tree maps and Heat maps?
14. What is the difference b/w .twbx and .twb?
15. Explain the difference b/w Tableau worksheet, dashboard, story, and workbook?
16. What do you understand by Blended Axis?
17. What is the use of dual axis? How do you create one?
18. What will the following function return? - Left(3, “Tableau”)
19. How do you handle Null and other special values?
20. Find the top product subcategories by Sales within each delivery method. Which sub-category is ranked #2 for first class ship mode?
21. Find the customer with the lowest overall profit. What is his/her profit ratio?
22. What is the Rank function in Tableau?
23. How can you embed a webpage in a dashboard?
24. Design a view to show region wise profit and sales?
25. How can you optimize the performance of a dashboard?
26. Which visualization will be used in the given scenarios:
27. What will you do if some country/province (any geographical entity) is missing and displaying a null when you use map view?
28. What is LOD expression?
29. How can you calculate daily profit measure using LOD?
30. How can you schedule a workbook in Tableau after publishing it?
Learn more at: https://www.simplilearn.com/
Overview of tools for data analysis and visualisation (2021)Marié Roux
This presentation gives a summary of important tools for data analysis and visualisation, for example to clean your data, do statistical analysis, visualisation application and programmes, qualitative analysis, GIS, temporal analysis, network analysis, etc.
Feb.2016 Demystifying Digital Humanities - Workshop 3Paige Morgan
Slides from Demystifying Digital Humanities Workshop 3: Data Wrangling: Programming on the Whiteboard -- taught at the University of Miami Libraries in February, 2016
Platform for Big Data Analytics and Visual Analytics: CSIRO use cases. Februa...Tomasz Bednarz
Presented at the ACEMS workshop at QUT in February 2015.
Credits: whole project team (names listed in the first slide).
Approved by CSIRO to be shared externally.
Hadoop meets Agile! - An Agile Big Data ModelUwe Printz
Big Data projects are a struggle, not only on the technical side but also on the organizational side. In this talk the author shares his experience and opinions from almost 5 years of Big Data projects and develops an Agile Big Data Model which reflects his ideas on how Big Data projects can be successful, even in large companies.
Talk held at the crossover meetup of the "Agile Stammtisch Rhein-Main" and the "Hadoop & Spark User Group Rhein-Main" at codecentric AG on 31.01.2017.
The global need to securely derive (instant) insights, have motivated data architectures from distributed storage, to data lakes, data warehouses and lake-houses. In this talk we describe Tag.bio, a next generation data mesh platform that embeds vital elements such as domain centricity/ownership, Data as Products, Self-serve architecture, with a federated computational layer. Tag.bio data products combine data sets, smart APIs, statistical and machine learning algorithms into decentralized data products for users to discover insights using FAIR Principles. Researchers can use its point and click (no-code) system to instantly perform analysis and share versioned, reproducible results. The platform combines a dynamic cohort builder with analysis protocols and applications (low-code) to drive complex analysis workflows. Applications within data products are fully customizable via R and Python plugins (pro-code), and the platform supports notebook based developer environments with individual workspaces.
Join us for a talk/demo session on Tag.bio data mesh platform and learn how major pharma industries and university health systems are using this technology to promote value based healthcare, precision healthcare, find cures for disease, and promote collaboration (without explicitly moving data around). The talk also outlines Tag.bio secure data exchange features for real world evidence datasets, privacy centric data products (confidential computing) as well as integration with cloud services
At the end of 2+ year-hardwork, we designed Integer8-Visual Integration Software for companies to be more productive while processing big data. We combine Spark, Yarn, Hive and HDFS together and we create a web-based enterprise level data integration platform on which developers can easily create ETL and integration flows by drag&drop. By the help of this infrastructure, developers do not need to know all details about Hadoop/map-reduce and other Hadoop tools. We desing Integer8 to be used by SQL which is the most popular language on data processing and we provide a connection over JDBC/ODBC for other BI tools to query directly from HDFS.
Top 10 Data analytics tools to look for in 2021Mobcoder
This write-up has surrounded the top 10 tools used by data analysts, architects, scientists, and other professionals. Each tool has some specific feature that makes it an ideal fit for a specific task. So choose wisely depending on your business need, type of data, the volume of information, experience in analytical thinking.
This is a Powerpoint Presentation based on the comparison of various available analytical tools. This includes various tools for business analytics and their detailed description.
Data Science Tools and Technologies: A Comprehensive Overviewsaniakhan8105
"Data Science Tools and Technologies: A Comprehensive Overview" explores the essential tools and platforms that data scientists use to analyze, visualize, and interpret complex data. From programming languages like Python and R to advanced frameworks like TensorFlow and Hadoop, this guide covers everything needed for effective data science practice.
Learn the basics to get started using R with Power BI. Discover how to set up the software and what libraries are needed. See how to use R scripts to create data, connect to a data source, build a visual and transform data. Using R, you can leverage data sources, functions and visualizations not directly built into Power BI. See the demos and download this deck: https://senturus.com/resources/using-r-with-power-bi/
Senturus offers a full spectrum of services for business analytics. Our resource library has hundreds of free live and recorded webinars, blog posts, demos and unbiased product reviews available on our website at: https://senturus.com/resources/
ChatGPT
The Big Data projects course includes five projects:
Data Engineering with PDF Summary Tool: Create a Streamlit app to summarize PDFs, comparing nougat and PyPDF libraries, and integrate architectural diagrams.
Large Language Models for SEC Document Summarization: Develop a tool for summarizing PDF documents, evaluating different libraries, and creating Jupyter notebooks and APIs for Streamlit integration.
Document Summarization with LLMs and RAG: Focus on automating embedding creation, data processing, and developing a client-facing application with secure login and search functionalities.
Data Engineering with Snowpark Python: Reproduce data pipeline steps, analyze datasets, design architectural diagrams, and integrate Streamlit with OpenAI for SQL query generation using natural language.
Project Redesign and Rearchitecture: Review existing architecture and redesign using open-source components and enterprise alternatives, focusing on flexible, scalable, and cost-effective solutions.
Denodo DataFest 2016: Comparing and Contrasting Data Virtualization With Data...Denodo
Watch the full session: Denodo DataFest 2016 sessions: https://goo.gl/Bvmvc9
Data prep and data blending are terms that have come to prominence over the last year or two. On the surface, they appear to offer functionality similar to data virtualization…but there are important differences!
In this session, you will learn:
• How data virtualization complements or contrasts technologies such as data prep and data blending
• Pros and cons of functionality provided by data prep, data catalog and data blending tools
• When and how to use these different technologies to be most effective
This session is part of the Denodo DataFest 2016 event. You can also watch more Denodo DataFest sessions on demand here: https://goo.gl/VXb6M6
2. INTRODUCTION
• Newly established business intelligence (BI) office needs a software stack to support
their data scientists
• The software stack needs a platform for data storage, data transformation, and data
visualization
• Current role supports the data visualization effort
2
3. Defining the Model
• Identified the strategic objective and goals for the software
stack project
• Elicited the decision maker to define specific objectives for the
data visualization tool in the stack
• Conducted an affinity diagram exercise to identify the functional
objectives and map the measures to those objectives
• Collaborated with the teammates to apply the swing weight
method
• Built and applied model to the 6 alternatives
3
5. Data Scientists Profiles
Domain Data Scientist
Features:
1.Knowledgeable of the subject
matter and is able to add context to
the analysis for insightful findings
2.General analysis (regression,
correlation, frequency distributions)
3.Uses built-in tools for analysis
Mathematical & Statistician Data
Scientist
Features:
1.Knowledgeable about complex statistical
modeling and analysis (ex. customer opinion
modeling, classification, text analysis, natural
language processing, etc.)
2.Builds, tests, and analyzes models utilizing
statistical programming languages such as,
python and R
3.Uses built-in tools and statistical programming
language libraries to build visualizations
Developer Data Scientist
Features:
1.Knowledgeable in programming,
computer science, and databases
2.Creates connections between the data
and the tools
3.Transforms data to enable profiles 1
and 2 to perform analysis and
communicate results
4.Creates highly customized interactive
solutions
5
6. Alternatives
D3.js A JavaScript library that enables developers to create complex,
custom data visualizations on the web
RShiny A R library and server that enables R data visualizations to be
interactive and available via a HTML framework
Bokeh A data visualization for python that creates charts from D3
visuals and the python data
Plot.ly A web application that automatically creates visualizations from
a variety of files types and programming languages
Tableau A data visualization tool that offers an easy-to-use user interface
to create complex graphics and charts
Kibana An open source data visualization and dashboarding tool that
connects to the NoSQL database, elastic search
6
7. Functional Objectives and Measures
Measures:
1. Analytical Capability
2. Charting Capability
3. Programming Capability
4. Design Capability
5. Number of Supported Programming Languages
6. GUI
7. Interactive Product Capability
8. Number of Supported File Types
9. Data Connectors
10. Access Control
11. Cost
12. Data Size
Functional Objectives:
1. Be flexible enough to accommodate
different product types
2. Enable statistical analysis and discovery
3. Enables highly customized solutions
4. High Usability
5. Scales with Big Data Projects
7
8. Mapping Objectives and Measures to Data Scientist Profiles
Domain Data Scientist
Features:
1. Knowledgeable of the subject matter and is able to
add context to the analysis for insightful findings
2. General analysis (regression, correlation, frequency
distributions)
3. Uses built-in tools for analysis
Mathematical & Statistician Data
Scientist
Features:
1. Knowledgeable about complex statistical modeling
and analysis (ex. customer opinion modeling,
classification, text analysis, natural language
processing, etc.)
2. Builds, tests, and analyzes models utilizing statistical
programming languages such as, python and R
3. Uses built-in tools and statistical programming
language libraries to build visualizations
Developer Data Scientist
Features:
1. Knowledgeable in programming, computer science,
and databases
2. Creates connections between the data and the tools
3. Transforms data to enable profiles 1 and 2 to perform
analysis and communicate results
4. Creates highly customized interactive solutions
Data Scientist Profiles
Functional Objective: Be flexible
enough to accommodate different
product types
Functional Objective: Enable
statistical analysis and discovery
Functional Objective: Enables
highly customized solutions
Functional Objective: High
Usability
Functional Objective: Scales
with big data projects
Functional Objectives
Measure: Analytical Capability
Measure: Charting Capability
Measure: Number of supported
programming languages
Measure: Graphical User Interface (GUI)
Measure: Design Capability
Measure: Programming Capability
Measure: Interactive Product Capability
Measure: Number of supported file types
Measure: Access Control
Measure: Data Connectors
Measures
8
9. Strategic Objective: Choose a data visualization
tool or tools that best enables data scientists to
manipulate, analyze, and interpret data
Functional Objective: Enable
statistical analysis and
discovery
Measure: Analytical Capability
Measure: Charting Capability
Functional Objective:
High Usability
Measure: Graphical
User Interface (GUI)
Measure: Number of
supported file types
Functional Objective:
Enables highly customized
solutions
Measure: Design Capability
Measure: Programming
Capability
Measure: Number of supported
programming languages
Functional Objective: Be flexible
enough to accommodate
different product types
Measure: Interactive Product
Capability
Functional Objective:
Scales with big data
projects
Measure: Access Control
Measure: Data
Connectors
Measure: Annual Total
Cost per User
Measure: Data Size
Decision Model Structure
9
10. • Alternative information identified through testing and
research
• Determining Weights
–Applied the Swing Weight Method
–Identified the worst and best alternatives
–Elicited the project team to rank the measures
10
Building the Model
11. ANALYTICAL RESULTS
11
• Two pairs of alternatives
scored similarly
• Tradeoffs associated with
each tool
• Model could be refined to
discern those differences
12. PLOT.LY VS. TABLEAU
• Both capable of creating
interactive plots
• Tableau scales to Big Data
• Plot.ly supports multiple
programming languages
in a collaborative
environment
12
13. RSHINY VS. BOKEH
• RShiny is supported by over
500 R statistical
programming libraries
• Bokeh is supported by
approximately 80 python
statistical programming
libraries
• Bokeh offers more control
over the design elements
• RShiny requires a CSS file to
alter the design elements
13
14. DOMAIN DATA SCIENTIST
• Tableau and Plot.ly scored the
highest across all data scientists
• Both offer intuitive UIs with the
ability to quickly create highly
interactive data visualization
products
• Plot.ly chosen as the best
option for Domain Data
Scientists based on the tool’s
collaborative ability
14
15. MATHEMATICAL & STATISTICIAN
DATA SCIENTIST
• Data size capacity is a key
feature for Mathematical
Data Scientists
• Kibana scored highly
because of it’s ability to
handle Big Data sets
• Plot.ly’s inability to scale to
large datasets prevent it
from being the number one
choice
15
16. DEVELOPER DATA SCIENTIST
• Tableau offers the ability to
connect to over 40
streaming data sources
• Scalability is an important
functional objective for
Developer Data Scientists
16
17. SENSITIVITY ANALYSIS
• Interactive Product Capability is
the most influential variable
• Data size is the least influential
variable in the model
17
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0 0.1 0.2 0.3 0.4 0.5 0.6 0.7
Score
Data Size (DS)
Number of Supported File Types (FT)
Design Capability (DE)
GUI (G)
Cost (C)
Access Control (AC)
Data Connectors (DC)
Number of Supported Programming Languages (PL)
Programming Capability (PC)
Charting Capability (CH)
Analytical Capability (AN)
Interactive Product Capability (IP)
18. SUPPORT TO DECISION MAKING
• Tableau was chosen by the Overall Objective,
Mathematical Data Scientist, and the Developer Data
Scientist
• Plot.ly was chosen by the Domain Data Scientist
• Additional resources have been identified to alter and
refine the model
18
Editor's Notes
Trying to find their identity
Includes software like S3 Amazon Storage, Elastic Search and Analytics, Adobe Data Workbench, and Tableau
My current role is to support the data visualization effort by creating different data visualizations with meaningful metrics
Developed user profiles to identify necessary tool features that best support the different data scientist skillsets
Identified key product features to find tools that support the different data visualization requests
Alternatives were identified as the 6 data visualization tools that the BI office is currently testing
Data visualization products fluctuate depending on the customer, function, and requirements
All fall under these 2 spectrums
Exploratory to Explanatory – Does the product describe the results of an analysis? Explanatory. Does the product provide the audience with a mechanism to discover new information? Exploratory.
Static to Interactive – Is the product meant to stand alone, static, or does the product allow the user to change their view, interactive?
Developed based on market research, current employees, and organizational requirements
Purpose: Identify the tool features that will best enable the data scientists’ skill sets
3 Profiles: Domain, Mathematical, and Developer
6 alternatives being tested by the BI office with temporary licenses
Client is willing to choose more than one tool for the software stack
Range from proprietary software to open source programming instances
High level objectives. Client wants to review results to determine if they need a more granular level of analysis.
Touches on most important aspects of the data scientists skillsets
Assume that if a product is able to effectively create interactive, exploratory products then it is able to create static, explanatory products too
Card sort activity to assign measures to both data scientist profiles and functional objectives
Refined measures and objectives so all elements aligned (Small changes like wording)
How the model is structured in logical decisions for windows
Information found on the alternatives was through independent research and feedback from the BI data scientists testing the alternatives
Worst and best alternatives weren’t actual options in the model, but was created to calculate the individual weights
Decision maker was absent for a long period of time due to a family emergency. The DM has only recently returned to the project part-time and is currently reviewing the model.
Tableau – Ingests over 4 billion rows of data
Plot.ly – Limits similar to MS Excel
Plot.ly supports R data, Python data, and Spreadsheets (i.e. Google Sheets, Excel)
Tableau supports their own spreadsheet language
Major tradeoff is that the RShiny package provides a server that will allow the BI team to share their data visualization products with a large audience; whereas, Bokeh requires the BI office to acquire additional resources to share products
Domain data scientist is focused on creating different customized product types with a usable tool
While Plot.ly supports multiple programming languages which increases collaboration across the team, this may not be one of the important features for the domain data scientist.
This is one of the changes that can be implemented into the second phase of the decision model
Mathematical & statistician data scientist is concerned with being able to conduct more complex statistical analysis on large datasets
Plot.ly intends to expand their ability to ingest and process large data sets
The latest version of Tableau enables the Developer Data Scientists to create custom data connections for various servers and the web
Data size capacity and data connectors are the key features for the Developer Data Scientists
The interactive product capability allows the user to meet the minimum requirements to be able to create the various product requirements
Without the ability to communicate the results, the analysis done by the Data Scientists cannot reach an audience to inform key strategic decisions
Despite data size being very important to the Mathematical and Developer Data Scientists, this variable was the least influential on the model
Tableau is a more scalable option with the ability to handle over 4 billion rows of data. The products that can be created are highly customizable and are able to be imbedded within websites and content management systems such as SharePoint
Plot.ly allows data scientists to use spreadsheets, R files, and python files to create interactive charts and dashboards that can also be shared via web pages, the Plot.ly web application, or exported as a image file.
In-Q-Tel has conducted a commercial market study of over 50 data visualization applications with a plethora of attributes and measures that can be implemented into model. Also, recently the BI office developed their criteria for a tool’s capability for creating dashboards. Since this is an important feature identified by the BI office, this will be implemented into the model, as well.