Dimensions error on paired t-test?

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shir shalom
shir shalom 2016-12-20
评论： Star Strider 2016-12-25
Hi all, I try to perform a paired t-test like that:
a=[1;2;3]
b=[10;20;30]
h = ttest(a,b)
and I get the following error message:
"Dimension argument must be a positive integer scalar within indexing range"
Does anyone know what's wrong?
Thanks, shir
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shir shalom
shir shalom 2016-12-21
It has the same result:
C:\Program Files\MATLAB\R2013b\toolbox\stats\stats\ttest.m
Adam
Adam 2016-12-21
The one that is active (not overshadowed) will always be the result of the simpler call though.

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Star Strider
Star Strider 2016-12-21
Since you’re obviously not overshadowing, see if you have a path problem. The way to solve that is to run these two lines:
restoredefaultpath
rehash toolboxcache
That should solve path problems. If this doesn’t work, contact MathWorks Technical Support.
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shir shalom
shir shalom 2016-12-25
I contacted them. Thank you so much.

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