R in Power BI

Apr 23, 2018Download as PPTX, PDF0 likes338 views

An introduction to using R in Power BI via the various touch points such as: R script data sources, R transformations, custom R visuals, and the community gallery of R visualizations

Eric Bragas, Jr.
DesignMind BI Consultant
Trainer for Power BI, Master Data Management, other BI
topics
◦ SQL Saturday
◦ Power BI Dashboard In A Day
◦ In-depth MDM
Passionate about learning, design, and data

Agenda
What is R in Power BI?
When to use R in Power BI?
How to use R in Power BI?
◦ Setup
◦ Data Source
◦ Script Visual
◦ Transformation
R-powered Custom Visuals
Other
◦ External IDEs
◦ Supported Packages in PBI Service

What is R?
“R is a language and environment for statistical computing and graphics”
Capabilities include
◦ Statistical Analysis
◦ Modeling and
◦ Data Visualization
Wiki: https://en.wikipedia.org/wiki/R_(programming_language)

What is Power BI?
Microsoft’s Self-Service BI application
Capabilities include
◦ Connecting to a variety of data sources
◦ Data transformation through PowerQuery
◦ Data modeling
◦ Data Analysis via DAX
Power BI: https://powerbi.microsoft.com/en-us/

What is R in
Power BI
An intersection of two tools
Power BI provides multiple touch points for R
◦ Allows R scripts as data sources
◦ Data transformations as part of Power Query steps
◦ R visualizations
◦ R-powered custom visualizations
Unlimited R script options when working locally
Limited support for reports published to Power BI Service
Does not include/require Microsoft R Server

When to use R in Power BI
No dedicated modeling capability (read: small R
implementations)
Robust visualizations; beyond what Power BI can provide
◦ Augment Power BI, don’t try to replace it
Data manipulation beyond DAX capabilities
Integrating R modeling capabilities into PowerQuery

Setup
Install R - https://cran.r-project.org/
(optional) Install R IDE
◦ R Studio
◦ R Tools for Visual Studio (RTVS)
Install R Packages
Power BI settings
◦ Options > R Scripting

R Script Data Source
Reference all dependent packages
Only data frames are imported (not vectors)
◦ All data frames available in navigator
NA is translated to NULL
30 minute time out
What other use cases do you have?

R Script Visualization
Augment Power BI visualizations using R
◦ base
◦ ggplot2
◦ ggmap
◦ etc.
Rendered to default R device
◦ Interactive and animated visuals not supported

R Script Transformation
Allow you to manipulate data via Query Editor steps
Can be used to
◦ clean data
◦ generate additional values ie. model results
◦ run any R script ie. write.csv()
Executes as part of the query, so only when the data set is refreshed

Other Resources
External IDEs
◦ R Studio
◦ R Tools for Visual Studio
Supported Packages in the Power BI Service
◦ List of supported packages
◦ Request additional packages
Additional Resources
◦ Download R from CRAN (Comprehensive R Archive Network) or MRAN (Microsoft R Application Network)
◦ Power BI visuals in R
◦ Additional visualizations

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R in Power BI

1. R in Power BI

2. Eric Bragas, Jr. DesignMind BI Consultant Trainer for Power BI, Master Data Management, other BI topics ◦ SQL Saturday ◦ Power BI Dashboard In A Day ◦ In-depth MDM Passionate about learning, design, and data

3. Agenda What is R in Power BI? When to use R in Power BI? How to use R in Power BI? ◦ Setup ◦ Data Source ◦ Script Visual ◦ Transformation R-powered Custom Visuals Other ◦ External IDEs ◦ Supported Packages in PBI Service

4. What is R? “R is a language and environment for statistical computing and graphics” Capabilities include ◦ Statistical Analysis ◦ Modeling and ◦ Data Visualization Wiki: https://en.wikipedia.org/wiki/R_(programming_language)

5. What is Power BI? Microsoft’s Self-Service BI application Capabilities include ◦ Connecting to a variety of data sources ◦ Data transformation through PowerQuery ◦ Data modeling ◦ Data Analysis via DAX Power BI: https://powerbi.microsoft.com/en-us/

6. What is R in Power BI An intersection of two tools Power BI provides multiple touch points for R ◦ Allows R scripts as data sources ◦ Data transformations as part of Power Query steps ◦ R visualizations ◦ R-powered custom visualizations Unlimited R script options when working locally Limited support for reports published to Power BI Service Does not include/require Microsoft R Server

7. When to use R in Power BI No dedicated modeling capability (read: small R implementations) Robust visualizations; beyond what Power BI can provide ◦ Augment Power BI, don’t try to replace it Data manipulation beyond DAX capabilities Integrating R modeling capabilities into PowerQuery

8. How to Use R in PBI

9. Setup Install R - https://cran.r-project.org/ (optional) Install R IDE ◦ R Studio ◦ R Tools for Visual Studio (RTVS) Install R Packages Power BI settings ◦ Options > R Scripting

10. R Script Data Source Reference all dependent packages Only data frames are imported (not vectors) ◦ All data frames available in navigator NA is translated to NULL 30 minute time out What other use cases do you have?

11. DEMO

12. R Script Visualization Augment Power BI visualizations using R ◦ base ◦ ggplot2 ◦ ggmap ◦ etc. Rendered to default R device ◦ Interactive and animated visuals not supported

13. DEMO

14. R Script Transformation Allow you to manipulate data via Query Editor steps Can be used to ◦ clean data ◦ generate additional values ie. model results ◦ run any R script ie. write.csv() Executes as part of the query, so only when the data set is refreshed

15. DEMO

16. Other Resources External IDEs ◦ R Studio ◦ R Tools for Visual Studio Supported Packages in the Power BI Service ◦ List of supported packages ◦ Request additional packages Additional Resources ◦ Download R from CRAN (Comprehensive R Archive Network) or MRAN (Microsoft R Application Network) ◦ Power BI visuals in R ◦ Additional visualizations

R in Power BI

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R in Power BI