How to performed statistical calculations

Hi;

How to performed statistical calculations (as defined in the attached file) such as:

Normalized Mean Squared Error (NMSE),

Root Mean Squared Error (RMSE),

Normalized Root Mean Squared Error (NRMSE),

Mean Absolute Error (MAE),

Mean Absolute Relative Error (MARE),

coefficient of correlation (r),

coefficient of determination (d),

and Nash-Sutcliffe coefficient of efficiency.

For two data sets (observed and modeled) ?

[Dyuman Joshi]

There are formulas/formulae for most of the statistical parameters you have noted.

Have you tried using them?

[ahmad Saad]

@Dyuman Joshi

Actually, No.

i have a little statistics background.

so, any help.

[Dyuman Joshi]

"Actually, No."

Why not?

"i have a little statistics background."

That should not be a problem.

"so, any help."

Search for the formulas and implement them in MATLAB.

[ahmad Saad]

@Dyuman Joshi

Ok. i ' ll follow your advise.

Answer 1

[Image Analyst]

I suggest you look in the help for those terms and you'll find functions such as rms, rmse, mad, etc. Or you can look at Wikipedia or other sources.

To learn other fundamental concepts, invest 2 hours of your time here:

MATLAB Academy - Free 2 hour training

[ahmad Saad]

@Image Analyst

Thanks nfor your helpful suggestion.