Apologies for the previous post - sent by mistake.  Here is the full post
below:

I have been trying to run this analysis and finally want to ask for help.

I am trying to run a paired t-test in which I have 19 subjects who have
reaction times for 5 different conditions.  The data frame has 114 rows
total (6 rows for each subject representing six average reaction times by
condition).  Is there a way to run all paired t-tests where a paired t-test
is run for every possible combination?

cou     778     498.6250
nyc     778     494.5750
scr     778     419.7500
sub     778     526.2500
vie     778     483.7000
wtc     778     488.3000
cou     783     993.2571
nyc     783    1209.0000
scr     783     680.2000
sub     783    1177.9032
vie     783    1363.5946
wtc     783    1377.2581

and so on totaling 114 rows total.  Sorry for the confused post and thanks
for any help in advance.



On Wed, Mar 26, 2008 at 2:53 PM, James Root <jcroot@gmail.com> wrote:

> I have been trying to run this analysis and finally want to ask for help.
>
> I am trying to run a paired t-test in which I have 19 subjects who have
> reaction times for 5 different conditions.  The data frame has 114 rows
> total (6 rows for each subject representing six average reaction times by
> condition).  Is there a way to run all paired t-tests where a paired t-test
> is run for every possible combination?
>
> 103cou     778     498.6250
> 104       nyc     778     494.5750
> 105       scr     778     419.7500
> 106       sub     778     526.2500
> 107       vie     778     483.7000
> 108       wtc     778     488.3000
> 109       cou     783     993.2571
> 110       nyc     783    1209.0000
> 111       scr     783     680.2000
> 112       sub     783    1177.9032
> 113       vie     783    1363.5946
> 114       wtc     783    1377.2581
>
>

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