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Linear Fit Coefficients: NaN when using Bisquare

Dear LabVIEWer,

 

I am trying to linear fit a Y vector to X vector. When using the "Least Square"method, I get a proper output for slope, intercept and the error code=0.

 

BUT, when I use "Least Absolute Residual method", I am getting NaN values for slope and intercept with error code=-20055.

 

AND, when I use "Bisqaure method", I am getting NaN values for slope and intercept with error code=0.

 

 

The concerened program is LabVIEW 2013, NI_AALPro.lvlib: Linear Fit Coefficients.vi (I have also attached it for your perusal).

 

Thank you for your help, in advance 🙂

 

 

 

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