Main actor of this alchemic wonder will be a peculiar substance called "R". Some peasants describe "R" as "a software environment for statistical computing and graphics" – but they'll get burned at the stakes anyway... Every company generates various kinds of data. Let it be accounting data, time records of employees, quality assurance sensor data ... or anything else. Most of this data just exists and your company doesn't profit from it. I'd like to show you how to get started making more out of these hidden treasures using R. We'll start with a very quick introduction to R. I will show you how R basically works, how it can be compared to Excel and why it will speed up your journey of transforming data into gold. Equipped with a basic understanding of R I will take you on an expedition to what you can do with R – especially in combination with several other open source tools. Two very interesting tools in combination with R are LaTeX and Freeboard. LaTeX allows you to generate beautiful looking reports based on your data. Freeboard is an open source dashboard software that can access and present data of various sources. By means of real world examples I will demonstrate you how different kinds of reports are created at dkd to support our team and management in their controlling tasks.

1. Data Alchemy
Turn your Data into Gold
CEO, dkd Internet Service GmbHSøren Schaffstein

2. Disclaimer

3. The server cannot meet the requirements of the
Expect request-header field.
417 Expectation Failed

4. • Statistics lesson
• Cat pictures
• Bullet lists
• Overview of useful tools for
data analysis and manipulation
• Very easy code examples
• Real world applications
Expectation Failed

5. Slideshare

6. References & Credits

7. Me, myself and I
Søren Schaffstein, CEO of dkd Internet Service GmbH
soeren.schaffstein@dkd.de

13. Where’s the Data?
Close your eyes and imagine…

14. Accounting

15. Time Records

16. Estimations

17. Product Specifications

19. Which tools do you use?
Getting data into shape

20. There’s always

21. Excel has it’s limitations
Worksheet size limit: 1,048,576 rows by 16,384 columns
Microsoft keeps a dedicated page with the limits of Excel.
This page has nearly 90 entries.

22. What is R?
18th letter of the modern English alphabet

23. TO ERR IS HUMAN,
TO ARR IS PIRATE

24. R

25. https://www.r-project.org/about.html
»R is a language and environment
for statistical computing and
graphics.«

26. Starting up R
R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical
Computing
Platform: x86_64-apple-darwin13.4.0 (64-bit)
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
>

27. Without the welcome message
>

28. Arithmetics
> 25 + 17
[1] 42

29. Fun starts with vectors
> x <- c(1, 2, 3)
> y <- c(10, 20, 30)
> x + y
[1] 11 22 33
> sum(x)
[1] 6

30. Let’s work with more data
> elements
element symbol protons weight density
1 Gold Au 79 196.97 19300
2 Silver Ag 47 107.87 10490
3 Mercury Hg 80 200.59 13534
4 Lead Pb 82 207.20 11340
> max(elements$density)
[1] 19300
> elements$density2 <- elements$density / 1000
density2
19.300
10.490
13.534
11.340

31. Geiger Counter

32. Libelium Geiger Counter Shield

33. Libelium Geiger Counter Shield
• Counts pulses detected in tube
• Calculates “counts per minute”
• Calculates radiation dose in μSv/h
• Logs reading every 10 seconds
• 8,640 value pairs per 24h

34. Some Geiger Counter records
> tail(geiger)
Timestamp CPM uSv DateTime
432 1477302659 48 0.3898 2016-10-24 11:50:59
433 1477302669 24 0.1949 2016-10-24 11:51:09
434 1477302679 30 0.2436 2016-10-24 11:51:19
435 1477302689 36 0.2923 2016-10-24 11:51:29
436 1477302699 30 0.2436 2016-10-24 11:51:39
437 1477302709 18 0.1462 2016-10-24 11:51:49
> mean(geiger$CPM)
[1] 30.94737

35. Select your preferred records
> subset(geiger, geiger$CPM > 60)
Timestamp CPM uSv DateTime
15 1477298489 66 0.5359 2016-10-24 10:41:29
207 1477300409 66 0.5359 2016-10-24 11:13:29
379 1477302129 66 0.5359 2016-10-24 11:42:09
431 1477302649 66 0.5359 2016-10-24 11:50:49

36. Graphics, of course

37. Graphics, of course

38. Cool in R

39. Package Repository

40. It’s quite fast

41. Can process a lot of data

43. Comparing Excel to R
Excel R

44. But this is
only the
beginning…

45. Let’s add more Tools
Did anyone say “Swiss Army Knife”?

46. RStudio

47. Debugging Tools
Console
Syntax-highlighting
editor
Direct code execution
in editor
File Browser
Package
Manager

48. OpenCPU

49. –https://www.opencpu.org/
»The OpenCPU server provides a
reliable and interoperable HTTP
API for data analysis based on R.«

50. Access R via JavaScript
// perform request to OpenCPU
var req = ocpu.call("getOvertime", {
username : username
}, function(output) {
$(“#output").text(output.message);
}
);

53. LaTeX

54. pronounced: /ˈlɑːtɛk/ LAH-tek

55. LaTeX – A document
preparation system
LaTeX is a high-quality typesetting system; it includes features designed for
the production of technical and scientific documentation.
– www.latex-project.org

56. A very short introduction
into LaTeX
Like in a nutshell

57. How to create a PDF with LaTeX?

58. A really simple LaTeX document
documentclass{report}
begin{document}
A Long-expected Party
end{document}

59. A simple LaTeX document
documentclass{report}
begin{document}
chapter{A Long-expected Party}
When Mr. Bilbo Baggins of Bag End announced
that he would shortly be celebrating his
eleventy-first birthday with a party of special
magnificence, there was much talk and excitement
in Hobbiton.
end{document}

60. A still simple LaTeX document
documentclass{dkd-technical-documentation}
begin{document}
chapter{A Long-expected Party}
When Mr. Bilbo Baggins of Bag End announced
that he would shortly be celebrating his
eleventy-first birthday with a party of special
magnificence, there was much talk and excitement
in Hobbiton.
end{document}

61. • LaTeX seamlessly integrates with R
• Place R-Variables directly in LaTeX-Templates
• Write R-Code in LaTeX-Templates
Why LaTeX and R?

62. Freeboard
All on one dashboard

64. The Big Picture
How everything clicks together

65. RStudio
Data Sources
Web Frontend
CSV
XMLExcel
JSON
R
OpenCPU
REST-API Target Format
CSV
XMLExcel
JSON
LaTeX PDF
Other tools

66. Real Stuff
OK, until now that was quite some theoretical stuff

67. Client Report
Overview of a client’s revenues and projects

73. Timesheet
Special timesheet for an EU project

75. Uncharged Services
An automated monthly report

78. Summing it up

79. What to take home

80. Versatile Tool

81. Connecting Tools

82. dkd offers R Alchemy

83. Questions

84. The one question
Can you turn lead into gold?

85. Chrysopoeia: yes, we can
Chrysopoeia, the artificial production of gold, is the symbolic goal of
alchemists. Such transmutation is possible in particle accelerators or
nuclear reactors, although the production cost is currently many times the
market price of gold.

86. Thank you
for listening

87. www.dkd.dedkd Internet Service GmbH . Kaiserstraße 73 . 60329 Frankfurt am Main
References
“Data Alchemy: Turn your Data into Gold”
Author: Søren Schaffstein
Date: 2016-10-27
References
References
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Seite 2/1

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All trademarks, trade names, product names and logos appearing in
this presentation are the property of their respective owners, including
in some instances dkd. Any rights not expressly granted herein are
reserved.
Seite 4/1