est/>Region of interest</a> (generation and statistics)</li><li><a href=../basic-usage/preprocessing>Spectral pre-processing</a></li><li><a href=../basic-usage/multivariate>Multivariate analysis</a> (PCA, NMF, pLSA)</li><li>Clustering</li><li>Multimodality data analysis</li></ul><h3 id=supported-data-formats>Supported Data Formats</h3><ul><li><a href=http://imzml.org/wp/imzml/>imzML</a> the open mass spectrometry imaging format (.imzML)</li><li>ION-TOF export (.grd or .tof)</li><li>ASCII export from Raman s