search for: unsupplied

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

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2002 Dec 10
2
names<- bug, and incompatibility with c() (PR#2358)
...uot; test> Note that "c" has supplied an empty string for the unspecified name, and has also taken the liberty of changing the special NA-string into a "NA" (i.e. a 2-character string, first letter N, second letter A)! An easy way to achieve consistency, would be to make unsupplied names should always default to an empty string, rather than a special NA-string. cheers Mark --please do not edit the information below-- Version: platform = i386-pc-mingw32 arch = i386 os = mingw32 system = i386, mingw32 status = major = 1 minor = 6.1 year = 2002 month = 11 day =...
2012 Jun 09
1
Applying a function to a column of a data frame
Apologees the novice question. Currently climbing up the learning curve of R. Suppose I have the following function and the data.frame: testfun<-function(x=1,y=2) x+y testframe=data.frame(col1=c(1,2),col2=c(3,4)) When evaluating testfun, I want to use the default value for y (which is 2) and for x, I want to feed (one by one) the values in col2 of testframe. How can I achieve this please?