I lose the constant variables (including id) when using pivot_longer with multiple variables...

R: Filtering and adding a repeating identical value in a column for hundreds of rows in a dataframe...

Returning data frame as main result but also informative list as side effect...

Pivot data by values separated by underscrores...

Extract the first N observations of groups according to another dataframe...

Keep only columns that meet a criterion...

How to write multiple .csv files from a list of data frames into a new folder with the original file...

Row Wise Addition in R...

geom_line group by year in R...

How to pivot multiple columns at the same time?...

Find index with close elements in a specific order...

How to specify column index to mutate across using dplyr when table size is variable?...

tidyverse solution for multiplying columns by a vector...

How to create a sequency by group from a specific string in R?...

How can I multiply all the values within a column range and row range?...

get the no. of observations in every level of factor after grouping by factors...

How to change values from a colunm based on another columns` values in R...

How to set values as NA with complex if-else criteria in R?...

lists of tibble to column in data.frame...

Checking the number of observations for each ID within 8 day periods...

How to coerce space-delimited strings to a column of numeric vectors?...

Are there any disadvantages to using tidyverse?...

Manipulating character vectors: removing and adding quotes, adding strings...

How to use slice to get the biggest values just from a variable?...

How to delete rows in a Dataframe that have same string entries two or more columns Using R...

Read list of files with inconsistent delimiter/fixed width...

Calculation for last month -- with conditions...

Aggregate sum of column values for all pairwise groupings of other columns in a dataframe in R...

How can I create a new column in R with a count of observations in another column in the dataset?...

group_by and filter removes too many rows...