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THE LIFE CYCLE OF DATA
SCIENCE
INTRODUCTION
The Data Science Lifecycle is focused on the
application of machine learning and various
analytical methods to extract insights from
data to achieve a company goal. The complete
procedure includes several activities, such as
data cleansing, preparation, modelling, and
model evaluation. It is a time-consuming
process that could take months to complete
Data Science Process
Business Understanding
Data comprehension
Data Preparation
Modelling of Data
Evaluation of the Model
Model Deployment
01
02
03
05
06
07
Exploratory Data Analysis
04
Business Understanding
The overall cycle revolves around the
company's objectives. Considering that the
study's ultimate goal is to fully understand the
business objective, this is essential. For
instance, You must determine if the consumer
wishes to estimate the rate of a commodity or if
he wants to minimise savings loss.
Data comprehension
The following step is to obtain a better grasp of
the data after gaining a better understanding
of the company. Classifying the data, its
structure, its significance, and the types of
information it contains are all part of this
process. Data can be explored via graphical
charts. Basically, you can extract any facts
about the information by simply viewing the
data.
Data Preparation
In this system, relevant data is selected,
integrated by merging data sets, cleaned,
handled by removing or imputing missing
values, treated by removing incorrect data, and
tested for outliers with box plots and dealt with.
Constantly making data and obtaining new
elements from old data.
Exploratory Data Analysis
This process involves getting a rough notion of
the behavior and the factors that influence it
before creating the true model. Then, the
correlations between various features are
represented using graphical representations
such as scatter plots and warmth maps. Data
distribution within various character variables is
graphically explored using bar graphs.
Modelling of Data
This stage is all about selecting the right model,
whether the task is classification, regression, or
clustering problem. Algorithms must be
carefully chosen after deciding on the number
of algorithms in a model family and on the
model's family structure.
Evaluation of the Model
The model was examined using a meticulously
developed set of evaluation criteria and tested
utilising previously unreported data.
Furthermore, we must ensure that the model is
correct. If the evaluation does not give a
satisfying result, the entire modelling method
must be repeated until the necessary level of
metrics is achieved.
Model Deployment
After a thorough evaluation, the model is
finally implemented in the structure and
channel of your choice. The data science life
cycle comes to an end with this step.
Each phase of the data science life cycle
mentioned above must be carefully
considered. If one phase is done incorrectly, it
will influence the next stage, resulting in a loss
of time and effort. If data isn't collected
properly, you'll lose records and won't be able
to create an ideal model. If the data are not
sufficiently cleaned, the model will stop
functioning.
https://www.learnbay.co/
Thank You!
@reallygreatsite
Are you curious about where you can acquire these data science skills? Check out the data science
course in Hyderabad offered by Learnbay. Our IBM-certified data science courses will set you ahead
of others!


Visit Us @

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The Life Cycle Of Data Science PPT.pdf

  • 1. THE LIFE CYCLE OF DATA SCIENCE
  • 2. INTRODUCTION The Data Science Lifecycle is focused on the application of machine learning and various analytical methods to extract insights from data to achieve a company goal. The complete procedure includes several activities, such as data cleansing, preparation, modelling, and model evaluation. It is a time-consuming process that could take months to complete
  • 3. Data Science Process Business Understanding Data comprehension Data Preparation Modelling of Data Evaluation of the Model Model Deployment 01 02 03 05 06 07 Exploratory Data Analysis 04
  • 4. Business Understanding The overall cycle revolves around the company's objectives. Considering that the study's ultimate goal is to fully understand the business objective, this is essential. For instance, You must determine if the consumer wishes to estimate the rate of a commodity or if he wants to minimise savings loss.
  • 5. Data comprehension The following step is to obtain a better grasp of the data after gaining a better understanding of the company. Classifying the data, its structure, its significance, and the types of information it contains are all part of this process. Data can be explored via graphical charts. Basically, you can extract any facts about the information by simply viewing the data.
  • 6. Data Preparation In this system, relevant data is selected, integrated by merging data sets, cleaned, handled by removing or imputing missing values, treated by removing incorrect data, and tested for outliers with box plots and dealt with. Constantly making data and obtaining new elements from old data.
  • 7. Exploratory Data Analysis This process involves getting a rough notion of the behavior and the factors that influence it before creating the true model. Then, the correlations between various features are represented using graphical representations such as scatter plots and warmth maps. Data distribution within various character variables is graphically explored using bar graphs.
  • 8. Modelling of Data This stage is all about selecting the right model, whether the task is classification, regression, or clustering problem. Algorithms must be carefully chosen after deciding on the number of algorithms in a model family and on the model's family structure.
  • 9. Evaluation of the Model The model was examined using a meticulously developed set of evaluation criteria and tested utilising previously unreported data. Furthermore, we must ensure that the model is correct. If the evaluation does not give a satisfying result, the entire modelling method must be repeated until the necessary level of metrics is achieved.
  • 10. Model Deployment After a thorough evaluation, the model is finally implemented in the structure and channel of your choice. The data science life cycle comes to an end with this step. Each phase of the data science life cycle mentioned above must be carefully considered. If one phase is done incorrectly, it will influence the next stage, resulting in a loss of time and effort. If data isn't collected properly, you'll lose records and won't be able to create an ideal model. If the data are not sufficiently cleaned, the model will stop functioning.
  • 11. https://www.learnbay.co/ Thank You! @reallygreatsite Are you curious about where you can acquire these data science skills? Check out the data science course in Hyderabad offered by Learnbay. Our IBM-certified data science courses will set you ahead of others! Visit Us @