search for: cocdat

Displaying 2 results from an estimated 2 matches for "cocdat".

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2014 Nov 10
2
range () does not remove NA's with complete.cases() for dates (dplyr/mutate)
...e other date variable that is created using the dplyr/mutate(). The console and the reproducible example are given below. Any advice how to resolve this issue would be appreciated. Thanks, Pradip Muhuri ################# cut and pasted from the R console #################### id mrjdate cocdate inhdate haldate oiddate 1 1 2004-11-04 2008-07-18 2005-07-07 2007-11-07 2008-07-18 2 2 <NA> <NA> <NA> <NA> <NA> 3 3 2009-10-24 <NA> 2011-10-13 <NA> 2011-10-13 4 4 2007-10-10 <NA> <...
2014 Nov 09
4
Getting the most recent dates in a new column from dates in four columns using the dplyr package (mutate verb)
...a non-NA value in at least 1 of the four columns). I would appreciate receiving your help toward resolving the issue. Please see the R console and the R script (reproducible example)below. Thanks in advance. Pradip ###### from the console ######## print (data2) id mrjdate cocdate inhdate haldate oidflag 1 1 2004-11-04 2008-07-18 2005-07-07 2007-11-07 2011-11-04 2 2 <NA> <NA> <NA> <NA> <NA> 3 3 2009-10-24 <NA> 2011-10-13 <NA> 2011-11-04 4 4 2007-10-10 <NA>...