Displaying 4 results from an estimated 4 matches for "gullif".
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2010 Jul 21
2
Issues reshaping data
Hello All,
I'm having some trouble reshaping my data from wide to long format. I have
tried using both the reshape function and package. Although I haven't worked
much with the reshape function, I have found the reshape package useful and
intuitive for reshaping data from long to wide format. However, going the
other way has me stumped with this type of data. My data is set up, roughly,
2009 May 05
1
re shape package - use one cast() instead of many
I have a data set that I'm trying to melt and cast in a specific way using
the reshape package. (I'll use the ff_d dataset from reshape so I don't have
to post a toy data set here. )
Lets say I'm looking for the interaction of treatment with each type of
"variable" in ff_d. Using the command below gets me this. Subject will get a
column and each treatment type by each
2009 Mar 30
3
Calculating First Occurance by a factor
I'm having difficulty finding a solution to my problem that without using a
for loop. For the amount of data I (will) have, the for loop will probably
be too slow. I tried searching around before posting and couldn't find
anything, hopefully it's not embarrassingly easy.
Consider the data.frame, Data, below
Data
Sub Tr IA FixInx FixTime
p1 t1 1 1 200
p1 t1 2
2009 Apr 01
0
回复： R-help Digest, Vol 73, Issue 32
...rbeke)
54. circular analysis (Blanka Vlasakova)
55. Calculating First Occurance by a factor (jwg20)
56. Re: Calculating First Occurance by a factor (Dimitris Rizopoulos)
57. Re: Calculating First Occurance by a factor (Mike Lawrence)
58. Re: Calculating First Occurance by a factor (Jason Gullifer)
59. Re: Matrix max by row (Wacek Kusnierczyk)
60. Re: cmprsk- another survival-depedent package causes R crash
(Terry Therneau)
61. Re: Calculating First Occurance by a factor (hadley wickham)
62. Re: cmprsk- another survival-depedent package causes R crash
(Nguyen Dinh Nguye...