Related ideas

• A good idea would be to pay only for a few functions..
• HP filter
• Color-by-group in box plots
• Allow to choose colors for groups when doing a scatter plot
• Adding Weight of Evidence (WoE) method in Xlstat
• Cronbach's Alpha and other reliability analysis indices
• Add R-Index calculation and d prime calculation
• Improvement of Seasonal Mann-Kendall test and Sen's slope estimation
• ascending/descending time in time series