| PPbigdata-package | Projection Pursuit for Big Data Based on Data Nuggets | 
| CMNugg | Central Mass Index for projected Big Data based on data nuggets | 
| faProj | Factor rotation for projected Big Data in multi-dimensional space based on data nuggets | 
| grandTourNugg | 1-dim/2-dim Grand Tour for Big Data based on Data Nuggets | 
| guidedTourNugg | 1-dim/2-dim Guided Tour for Big Data based on Data Nuggets | 
| HoleNugg | Hole Index for projected Big Data based on data nuggets | 
| NHnugg | Natural Hermite Index for projected 1-dim/2-dim Big Data based on data nuggets | 
| nuggKDE | Density Estimation for projected 1-dim/2-dim big data based on data nuggets | 
| plotLoadings | Plot of variable loadings for 1-dim/2-dim projection | 
| plotNugg | Plot of projected 1-dim/2-dim data nuggets | 
| PPnugg | Projection Pursuit for Big Data based on data nuggets | 
| PPnuggOptim | Optimize Projection Pursuit index for Big Data based on data nuggets | 
| wsph | Spherize/Whiten data with observational weights |