Is there a way in R to combine two tables according to matching values in a certain column?
15825
How to join (merge) data frames (inner, outer, left, right)
149236
How to select rows according to column value conditions
26294
Combine two columns into a list of all possible combinations of entries
3393
bash merge files by matching columns
23575
Join matrix based on conditions
60430
How to match all words of one column against words in another column
29248
How to merge columns in a table?
31517
Using awk to sum the values of a column, based on the values of another column
53145
Table with multiple merging
76093
Are there an easy way to coloring tables depending on the value in each cell?
25066
Adding a new column to each element in a list of tables or data frames
44910
Update values in one table based on contents of another
38582
Simple way to transpose columns and rows in SQL?
88863
Join two files with matching columns
89882
How Can I Concatenate Column A and Column B into Column C in Excel?
9680
How can I have two tables side by side?
104296
How can I make a SUM of cells that match a specific criteria?