calculate               Calculate derived data
calculate_abundances    Calculate isotope fractional abundances
calculate_ratios        Calculate isotope ratios
calculate_sums          Calculate ion sums
load_HMR                Read data from HMR txt files
load_LANS_maps          Load LANS ion map data
load_LANS_summary       Load LANS summary data
plot_maps               Plot NanoSIMS ion maps
read_map_data           Read LANS full ion map data (.mat) files
read_roi_data           Read LANS data summary (.dac/.dat) files
spread_data             Spread data into wide format
