Friday, October 5, 2012

Matlab Statistic Tool Box regstats model trick

Just found this trick today.
When using:

regstats(y,x)

Matlab will use the linear model y=ax+b model to fit the data and calculate all relevant statistical parameters.

But sometimes we want to fix the trend line through zero, (0,0). In these case, this trick will help:

regstats(y,x,1)

Now Matlab will use the linear model y=ax model to fit the data and calculate all relevant statistical parameters.

Don't know why. But it is tested on R2010b version and confirmed by comparing with Excel calculation results.
at

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