Hi,

For example, the data.frame like:

origdata.long <- read.table(header=T, con <- textConnection('
 subject sex condition measurement
       1   M   control         7.9
       1   M     first        12.3
       1   M    second        10.7
       2   F   control         6.3
       2   F     first        10.6
       2   F    second        11.1
       3   F   control         9.5
       3   F     first        13.1
       3   F    second        13.8
       4   M   control        11.5
       4   M     first        13.4
       4   M    second        12.9
 '))
close(con)

Given a vector c('first', 'second', 'control), how can I reshape the
data.frame to this?
# subject sex  first second   control
#       1   M  12.3  10.7     7.9
#       2   F  10.6  11.1     6.3
#       3   F  13.1  13.8     9.5
#       4   M  13.4  12.9    11.5

I know reshape() can transform the data.frame from long to wide, but it
seems not able to control the order of the columns.

Thanks ahead of time
-- 
Best,
Zhenjiang

	[[alternative HTML version deleted]]

