资讯

See how to join two data sets by one or more common columns using base R’s merge function, dplyr join functions, and the speedy data.table package.
Concatenate merges the data you have inserted into columns into its own cell or column in Excel. Let’s take a look at how to use concatenate in Excel.
You can combine two columns in Excel using several formulas and tools available in the software. If the columns that you want to combine are empty, you can use Excel's merge function.
This is the demonstration file referenced in How to combine Excel's VLOOKUP() function with a combo box for enhanced searching, by Susan Harkins.
This guide provides step-by-step instructions with examples how to extract a substring in Excel using various text functions.