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 Home > Software engineering
  • ▪ Calculating multiple columns from one column with summarise
  • ▪ can't change month number to month name using scale_x
  • ▪ VDS/R: change order of mosaicplot
  • ▪ Get the names of all factors with more than one level
  • ▪ Converting to time series data (using daily/weekly data)
  • ▪ use pivot_longer to created multiple value columns
  • ▪ R how to obtain the mean of previous values depending on a second column with data in long format
  • ▪ Cleaning names in R
  • ▪ R: Using regular expression to keep rows of data with 6 digits
  • ▪ Delete the the observations by matching the two column values
  • ▪ Index all rows between two specific character values in a data frame in R
  • ▪ How to tag all missing values of an SPSS labelled dataframe by their label?
  • ▪ Mutating values for only a subset of the data under a condition, while keeping all data rows
  • ▪ Trying to sum a num column, and getting "only defined on a data frame with all numeric-alike va
  • ▪ Eliminating the need for packages in base R?
  • ▪ How to get a multidimentional array of all products of two vectors in R?
  • ▪ R: conditionally mutate a variable when columns match in different dataframes
  • ▪ Find set of rows in row-specific range with restriction at different levels
  • ▪ Summarizing over groups within larger groups using dplyr
  • ▪ Spliting rows into multiple rows and adding NA when needed
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