Weird behaviour when combining data.table .EACHI and joining...

How to resolve error 'Class attribute on column 1 of different items do not match' in R...

Filter grouped data by condition defined by changes in column values using R...

data.table programming with variable columns...

Find closest value above current row that meets condition and apply function for each group...

Filter a dataframe to keep only rows that are increasingly smaller than the first row...

How to create means and s.d. columns with data.table (based on multiple conditions)...

rolling joins data.table in R...

How to compute the union and intersection of time intervals with covariates by group id?...

Why aren't integer64 values saved properly in a RDS file?...

The data is changed after fwrite and fread...

Cannot setDT on a "retrieve only" active binding; argument "..1" is missing, wit...

R: Minimum values with multiple criteria in a data.table...

R: Sum with a Multiple criteria for each Row. Processing time is huge...

Fast unnest complex column with data.table...

Fast unnest with data.table...

R: Creating a unique ID in a data.table with a condition...

How to get the highest values for two unrelated columns?...

Replicate rows in data.table using passed column names in user defined function environment...

Faster version of combn...

Using data.table's fast expand grid CJ does not work when a sublists is integer 0...

Filter grouped data with filter function and if else condition in R...

unquote a param upon passing to function using eval(substitute())...

Contingent data.table sum...

Pair each combination of two columns and calculate sum for a third column in data.table...

Merge two data.tables, add another column and keep the duplicates...

Merge two data.tables based on AND condition and add third column...

Match data.table and matrix and compute new column...

Extract extension from variable filename with data.table...

data.table add column sum by...