Mudassir Arif Chaudhry

4 Questions 8 Answers 0 Followers

Questions related from Mudassir Arif Chaudhry

How to convert .nir files to .mat files?

Hi everyone, we have used FOSS monochromatic spectrometer NIR system 6500 to collect spectra of some samples. The files it generates are in .nir format and using these files we can easily generate...

27 June 2022 7,910 3 View

I have a data vector acquired in wavenumbers, now how can I convert it to wavelength in MATLAB?

Despite applying the formula do I need to take care of anything else?

09 October 2018 1,948 2 View

Can a PLS-DA model result in values of specificity and sensitivity which do not match the data in the confusion matrix or table?

In the diagonal the number of correctly classified samples are equal to the total number of samples in that particular class but the sensitivity doesn't appear to be 1.000

03 May 2016 1,754 2 View

During PLSR on spectral data the value of R squared CV is less than R squared prediction. Is it ok? Can anyone please guide if I'm wrong?

I've NIR and Vis-NIR spectral data. This problem is occurring in both cases.

30 March 2016 3,314 9 View