[R] read separate columns from an Excel sheet

Ivette iva_mihaylova at mail.ru
Sun Feb 26 20:58:33 CET 2012


Lets suppose I have an Excel sheet with 9 columns of data. How to tell R to
read for example column 1 and 7 of this sheet? I know only the usual code
without specifying columns:

a <- read.xls("file.xls", sheet=1)                # reads in the 1st sheet

Thank you.

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