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calculate std and mean for multiple variables automated

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Zeynab Mousavikhamene
Zeynab Mousavikhamene on 5 Sep 2019
Answered: Catalytic on 5 Sep 2019
I have many variables that need to calculate std and mean for them. Is there any structure (other than defining a function) that can do this calculation for all determined variables instead of writing mean() and std() for each individual variable?

Answers (1)

Catalytic
Catalytic on 5 Sep 2019
Observe -
>> input=rand(10,5)
input =
0.8147 0.1576 0.6557 0.7060 0.4387
0.9058 0.9706 0.0357 0.0318 0.3816
0.1270 0.9572 0.8491 0.2769 0.7655
0.9134 0.4854 0.9340 0.0462 0.7952
0.6324 0.8003 0.6787 0.0971 0.1869
0.0975 0.1419 0.7577 0.8235 0.4898
0.2785 0.4218 0.7431 0.6948 0.4456
0.5469 0.9157 0.3922 0.3171 0.6463
0.9575 0.7922 0.6555 0.9502 0.7094
0.9649 0.9595 0.1712 0.0344 0.7547
>> std(input)
ans =
0.3459 0.3308 0.2935 0.3607 0.2025

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