create data.frame from different number of rows
121969
do.call(rbind, list) for uneven number of column
37373
Reshape three column data frame to matrix ("long" to "wide" format)
35143
Make rows into column with awk or sed
44042
How to split a loop into multiple columns
32937
Combine two data frames by rows (rbind) when they have different sets of columns
13177
Numbering rows within groups in a data frame
73010
Sample random rows in dataframe
131572
Converting list of raster to a data frame using R?
151542
How does one reorder columns in a data frame?
6090
Transposing rows and columns
118325
R: Split unbalanced list in data.frame column
72432
data.frame without ruining column names
35328
Creating tables with spanning rows/columns
36003
Summarizing multiple columns with data.table
158497
reshape dataframe based on a string split in one column in R
61488
Moving columns within a data.frame() without retyping
53310
Merge two data frames while keeping the original row order