Related ideas

• Add Confidence Intervals to PPM
• Add CI computation for the median
• Ability to add 95% Confidence Ellipses to MDS
• Add a tool to calculate and plot the prediction intervals and confidence intervals for a nonlinear regression model.
• Add number at risk to graph of Kaplan Meier analysis
• calculate beta risk
• Confidence ellipses for PCA points
• Add confidence elipse in MFA data
• Add ability to utilize R routines in XLstat