How can I keep only rows with a certain name in R?
158860
Subsetting matrices
31519
R: subsetting data frame by both certain column names (as a variable) and field values
53148
Exclude one pattern from glob match
138004
How can I use awk to (sometimes) remove the first character of a column?
33861
Separate a row of strings into separate rows
14942
Extract a string between patterns/delimiters in R
8490
Exclude specific words in search
39628
SQL select only rows with max value on a column
143952
R output without [1], how to nicely format?
86329
Filter data.frame rows by a logical condition
17305
using perl, how to select last 2 lines in the case of each row has same word?
64783
Excel count all rows that contain certain values for certain fields
8939
Label rows of a matrix by characters
143818
Method to copy down rows R
76043
Remove entire row in a file if first column is repeated
74076
Get column name dynamically by Specific row value
52697
Apply a function to a subset of data.table columns, by column-indices instead of name