pivot_wider when there's no value column...

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Widen the dataset in Rstudio with tidyverse...

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Filter rows that contain ":" in R...

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Dynamic variables from dataframe value in R with value names?...

Filter for first day of every year in R tidy verse...

collapse: Modifying Columns by row along with combine values from multiple columns...

Summary of all numeric variables with collapse R package...

collapse R package: rearraning or reposition columns in custom order...

Using start_with function along with collapse::fselect funcation...

Unzip a zipped file that is saved using name and date of download like this (Query Transaction Histo...

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Loop over an entire r-notebook...

New column for next occurrence of a variable in R...

nested data from XML as tibble or Dataframe in R...

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Adding a line with the mean value of plotted points in ggplot with facet wrap...

Change the values of rows conditionally in R...

Assign most common value of factor variable with summarize in R...

Fill missing values with previous values by row using dplyr...

Add a new column with the same value within each group based on value from specific row...

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Function equivalent to (python) seaborn's "set_context()" in (R) ggplot2?...

Trying to render R4DS to pdf...