Hello,
I need to create a dataframe containing all possible combinations of three
variables: SITE (101,102,103,104), WDAY (MON,TUE,WED,THR,FRI), and TOD (MORN,
AFTN). There should be a total of 40 unique combinations in my dataframe. I
used expand.grid() successfully(?) to create my dataframe,
Hello,
I need to create a dataframe containing all possible combinations of
three variables: SITE (101,102,103,104), WDAY (MON,TUE,WED,THR,FRI),
and TOD (MORN, AFTN). There should be a total of 40 unique combinations
in my dataframe. I used expand.grid() successfully(?) to create my
dataframe,
Hi Mike,
Try this:
SITE - c(101,102,103,104)
WDAY - c('MON','TUE','WED','THR','FRI')
TOD - c('MORN', 'AFTN')
out - expand.grid(SITE, WDAY, TOD)
out
HTH,
Jorge
On Thu, Mar 25, 2010 at 4:21 PM, Hosack, Michael wrote:
Hello,
I need to create a dataframe containing all possible combinations
On 26/03/2010, at 9:22 AM, Hosack, Michael wrote:
Hello,
I need to create a dataframe containing all possible combinations of
three variables: SITE (101,102,103,104), WDAY (MON,TUE,WED,THR,FRI),
and TOD (MORN, AFTN). There should be a total of 40 unique combinations
in my dataframe. I
Hi Mike,
the following works for me:
SITE - ordered(c(101,102,103,104))
WDAY -
ordered(c(MON,TUE,WED,THR,FRI),levels=c(MON,TUE,WED,THR,FRI))
TOD - ordered(c(MORN,AFTN),levels=c(MORN,AFTN))
foo - expand.grid(SITE=SITE,WDAY=WDAY,TOD=TOD)
foo[order(foo$SITE),]
If this doesn't solve your
Hello,
Hosack, Michael wrote:
Hello,
I need to create a dataframe containing all possible combinations of
three variables: SITE (101,102,103,104), WDAY (MON,TUE,WED,THR,FRI),
and TOD (MORN, AFTN). There should be a total of 40 unique
combinations in my dataframe. I used expand.grid()
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