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Why is corr/corrcoef returning NaNs?

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Darla Bonagura
Darla Bonagura on 31 Jul 2020
Answered: Tommy on 5 Aug 2020
I have 2 vectors that I would like to correlate with one another: OptimismBias and AmbigTolG (listing the first 10 values out of 248).
-0.0263 0.0000
0.7971 0.0000
-0.2800 -0.0000
0.4088 0.0000
0.6691 0.0000
0.5348 NaN
0.2606 0.0000
0.6995 NaN
-0.3270 0.0000
0.4665 0.0139
When I run the corr, I get all NaNs at the output. I'm aware that the AmbigTolG values are 0 or close to 0 but I'm not sure how else to run this.

  3 Comments

Tommy
Tommy on 1 Aug 2020
What syntax are you using? Perhaps
corr(OptimismBias, AmbigTolG, 'rows', 'complete')
to ignore the NaN values?
Darla Bonagura
Darla Bonagura on 3 Aug 2020
That solved it. Thank you!
Adam Danz
Adam Danz on 3 Aug 2020
Tommy's comment should be an answer.

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Accepted Answer

Tommy
Tommy on 5 Aug 2020
You can use
corr(OptimismBias, AmbigTolG, 'rows', 'complete')
to ignore the NaN values.

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