matching metadata on multiple nested data frames...

unnest_wider only if columns exists in R...

Massive dataset - average values by month and location...

reordering my reshape: long to wide with pivot_wider, different column order...

How to sum non-empty successive rows in deeply nested tibbles in R?...

Need to pivot wider by hour of the day without creating multiple day entries...

Separating character strings into columns that have dash and space pattern...

How to properly use pivot_wider() to align the values of two variables?...

separate only specific columns into multiple across a table...

multiple columns into seperate name-value pairs...

Combining multiple columns in one R...

How to replace any NAs in dataframe in R by the last 4 values...

Can you collapse duplicate rows in R, keeping values based on a selection of columns?...

Pivot a longer dataframe to wide with multiple columns in R...

tidyr::unnest() tibble, integer and vector...

geom_point is not aligned when I add aesthetics...

How do I use pivot_longer and/or pivot_wider to restructure my data?...

How to combine multiple columns of data into 1 column when pivoting wider in R...

Tidyr equivalent for transpoing rows/columns and promoting first row (first column of original dataf...

How to use unite with map2 in R?...

Back-fill NAs in a column only if the subsequent value matches a specific value...

pivot_wider for multiple choice questionnaire...

How can I convert the format of my dataframe into a new transposed format in R?...

Using mutate to paste a column name if a condition is matched...

Create a new variable as a sequence of two existing variables...

Fill gaps in data frame beginning with the first non-NA observation and ending with the last non-NA ...

pivot_longer syntax equivalent to reshape::melt...

stop mutate truncating column column names...

Converting multiple columns from character to POSIXct in R...

Reshape dataframe with unequal occurrences of character variables to pivot_wider without removing du...