search for: xbus10

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2006 May 31
2
How to choose columns in data.frame by parts of columns' names?
Dear all, I have a data.frame which has names as following. [1] "XG1" "YG1" "XEST" "YEST" [2] "XNOEMP1" "XNOEMP2" "YNOEMP1" "YNOEMP2" [3] "XBUS10" "XBUS10A" "XBUS10B" "XBUS10C" [4] "YBUS10" "YBUS10A" "YBUS10B" "YBUS10C" [5] "XOWNBUS" "XSELFEST" "YOWNBUS" "YSELFEST" Those columns have names beginning with "X"...