Reshaping a column from a data frame into several columns using R
22696
Faster ways to calculate frequencies and cast from long to wide
89743
Split data.frame based on levels of a factor into new data.frames
49862
Aligning Data frame with missing values
54675
Reshaping several variables wide with cast
84325
Dynamically select data frame columns using $ and a character value
33391
Select rows in a dataframe in r based on values in one row
29264
How to increase the number of columns using R in Linux
158428
Duplicating a column vector into a longer column vector
58090
Drop unused factor levels in a subsetted data frame
140331
For loop in R assigning to a data frame
154797
Oracle Combine several columns into one
6090
Transposing rows and columns
1386
Order data frame by two columns in R
56874
How can I remove all duplicates so that NONE are left in a data frame?
53289
Pivoting rows into columns dynamically in Oracle
61488
Moving columns within a data.frame() without retyping
15244
How to unnest (explode) a column in a pandas DataFrame?