Power BI R Script allows using R visuals or R charts inside your Power BI dashboard. Using R script inside the Power BI is very helpful for the data scientists to place their work in one place.
In this section, we show you how to create a chart using Power BI R Script with example. For this Power BI R Script demonstration, we are going to use the Faithful CSV file created by R studio.
I suggest you refer R Programming to understand the code that we used in this Power BI article.
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Create a Power BI R Script Visual
In Power BI, you can use this R Script Visual to create R Charts inside a Power Bi dashboard.
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First, click on the R Script Visual under the Visualization section. It automatically creates an R Chart with an R script editor, as shown in the below screenshot.
You have to use this R script editor window to write R script.
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Before you start writing R code, you have to create a data set. It can be done by dragging the required fields to the Values section. For this demo, let me drag eruptions and waiting columns to the Values section.
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As you can see from the above screenshot, Power BI has automatically generated a data set for you. Now, you have to use this data set to create your R visual.
Here, we used ggplot2 to create 2D scatter plot. I suggest you refer, Create a Scatter Plot article to understand this code.
library(ggplot2) ggplot(dataset, aes(x = eruptions, y = waiting)) + geom_point() + geom_density_2d()
Once you finished writing your script, click the Run button
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From the screenshot below, you can see the R Chart.
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Like any other chart in Power BI, you can apply filters on the R chart as well. To demonstrate the Power BI R script filters, let me create a table first.
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We created a column chart, as well.
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I think there is too much data in the table to apply filters. So, let me create a cluster.
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We are leaving the default settings
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As you can see, it has created two clusters. Next, we replaced the Sno with the Cluster column in a Table
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Let me select the Cluster 1. From the screenshot below, you can see that the R visual is filtering.
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Try with the other cluster too
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Create a Power BI R Script Visual 2
In Power BI, you can also create an R visual with default datasets available in R. To demonstrate the same, we are using the Diamonds data set.
library(ggplot2) ggplot(diamonds, aes(x = carat, y = price, color = cut)) + geom_point() + geom_smooth(method = "auto", se = FALSE) + scale_color_manual(values = c("orchid", "chocolate4", "goldenrod2", "tomato2", "midnightblue"))
From the screenshot below, you can see the R Script in the report.
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