Aggregate a dataframe column based on a hierarichal condition from another column...

Grouped diminishing weighted cumsum...

Expand a matrix of rankings (1 ~ 4) to a bigger binary matrix...

Add a value as a new row to a dataframe but keep all other columns NA...

Separate positive values into multiple rows on multiple columns...

Data manipulation in R: Starting a new row if i > i-1...

Isolating a particular section of one string in R that is between other characters?...

Ansible: split a dictionary with list values to a list of dictionaries with a single item from the l...

More efficient way of pandas dataframe manipulation: filtering and melting...

Adding Text to Cells with Text - Apps Script...

Can I use a dplyr pipe instead of lapplying over lists in R?...

Join many to one: combine related characteristics...

Identify only non duplicated rows...

Looping pipe operator code through multiple Dataframe in R...

"Even Out" Table in R...

Selecting Rows From a Table Based on A List...

Creating a "Dictionary/Reference" Table...

Unlisting lists in a Dataframe column...

Sequentially Replacing Factor Variables with Numerical Values...

Pandas: Find ratio of values for a column and then groupby on another column...

Scanning and Replacing Values of Rows in R...

Split dataframe into multiple by every nth column...

Counting the Number of Combinations of Unique Values Per ID...

Check if the value exists in any other columns with Tidyverse...

If value exists in another column, take value from the original column in the same row, if not nothi...

Subsetting dataframe by unique ID and closest date in R...

Outlier Detection on common variable name in R...

Pandas map between two dataframes into column...

How can I create a new wide data frame with rows based on all combos of values in two columns?...

Calculation of a new variable in R...