calculate std and mean for multiple variables automated

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Zeynab Mousavikhamene
Zeynab Mousavikhamene el 5 de Sept. de 2019
Respondida: Catalytic el 5 de Sept. de 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?

Respuestas (1)

Catalytic
Catalytic el 5 de Sept. de 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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