R
r (Pearson Correlation Coefficient)
Radial Basis Functions
Radial Sampling (in Neural Networks)
Random Effects (in Mixed Model ANOVA)
Random Sub-Sampling in Data Mining
Range Ellipse
Range Plots - Boxes
Range Plots - Columns
Range Plots - Whiskers
Rank
Rank Correlation
Ratio Scale
Raw Data, 3D Scatterplot
Raw Data Plots, 3D - Contour/Discrete
Raw Data Plots, 3D - Spikes
Raw Data Plots, 3D - Surface Plot
Rayleigh Distribution
Receiver Operating Characteristic (ROC) Curve (in Neural Networks)
Regression
Regression (in Neural Networks)
Regression, Multiple
Regression Summary Statistics (in Neural Networks)
Regular Histogram
Regular Line Plots
Regular Scatterplot
Regularization (in Neural Networks)
Reject Threshold
Relative Function Change Criterion
Reliability
Reliability and Item Analysis
Representative Sample
Resampling (in Neural Networks)
Residual
Resolution
Response Surface
Right Censoring
RMS (Root Mean Squared) Error
Robust Locally Weighted Regression
(ROC) Curve (in Neural Networks)
Root Cause Analysis
Root Mean Square Standardized Effect (RMSSE)
Rosenbrock Pattern Search
Rotating Coordinates, Method of
Runs Tests (in Quality Control)