How to strsplit data frame column and replicate rows accordingly?
40246
Split comma-separated strings in a column into separate rows
25066
Adding a new column to each element in a list of tables or data frames
110329
How do I replace the string exactly using gsub()
158428
Duplicating a column vector into a longer column vector
2057
Insert data from multiple rows into multiple columns
19054
Deleting specific rows from a data frame
99563
How to convert a data frame column to numeric type?
84325
Dynamically select data frame columns using $ and a character value
19141
How to reorder data.table columns (without copying)
44042
How to split a loop into multiple columns
45615
Transpose Ranges repeated by row
155763
How to transform rows to columns
15825
How to join (merge) data frames (inner, outer, left, right)
49328
How to automatically insert a blank row after a group of data
38881
evenly spreading data in to multiple columns
56874
How can I remove all duplicates so that NONE are left in a data frame?
48696
Combine (rbind) data frames and create column with name of original data frames