checking certain digits of a number in a column
On Jun 14, 2013, at 9:33 PM, Yasin Gocgun wrote:
Hi, I need to check whether certain digits of a number, say, last five digits, appear in a column of a data frame. For instance, For example,103 in "000103" ( data [data[,3] == "...103"] instead of data [data[,3] == "000103"] ) or 54780 in "12354780". Can someone let me know how to do so.
R has a 'substr' function. -- David Winsemius Alameda, CA, USA