bug fix for analyze_NIR_intensity
bug fix for analyze_NIR_intensity

stiphyMT/plantcv,AntonSax/plantcv,stiphyMT/plantcv,danforthcenter/plantcv,stiphyMT/plantcv,jshoyer/plantcv,AntonSax/plantcv,danforthcenter/plantcv,danforthcenter/plantcv,jshoyer/plantcv