Displaying 2 results from an estimated 2 matches for "201207".
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201202
2012 Nov 18
3
Replace <NA> with something else
...1 from the spreadsheet is text
that says NA. The NA stands for north america. As it comes in, R converts
the NA over to <NA>.
What is the cleanest way to change the <NA> values to something else. In
other words, get rid of the brackets ? Maybe convert <NA> to NAM.
635 LA 201207 557329
636 LA 201208 683771
637 LA 201209 613851
638 LA 201210 764217
639 LA 201211 212897
782 <NA> 200701 875634
783 <NA> 200702 614856
784 <NA> 200703 521520
785 <NA> 200704 1406400
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2012 Nov 07
8
Aggregate data frame across columns
Folks,
I have a data frame with columns 200401, 200402, ..., 201207, 201208.
These represent years/months. What would be the best way to sum these columns by year? What about by quarter?
Thanks for your time,
KW
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