To create a dataset with two variable name columns and one value column, and then use pivot_wider to change the dataframe to wide format in R, you can use the following code:
main.r482 chars21 lines
In this example, category1 is used as the id column, category2 is used to create new column names, and value is used to fill the new columns. The resulting data_wide dataframe will have a wide format with category1 as the unique identifier and separate columns for each level of category2.
The output will look like this:
main.r75 chars5 lines
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