| coefTable | Coefficient Table | 
| colMedians | Medians of Columns | 
| compPlot | Scatterplot to Compare two Variables | 
| ddnorm | Derivative of the Normal Distribution's Density Function | 
| histDens | Histogram with a Density Line | 
| insertCol | Insert Column into a Matrix | 
| insertRow | Insert Row into a Matrix | 
| isSemidefinite | Positive or Negative Semidefiniteness | 
| isSemidefinite.default | Positive or Negative Semidefiniteness | 
| isSemidefinite.list | Positive or Negative Semidefiniteness | 
| isSemidefinite.matrix | Positive or Negative Semidefiniteness | 
| margEff | Method for Returning Marginal Effects | 
| nObs | Return number of observations for statistical models | 
| nObs.default | Return number of observations for statistical models | 
| nObs.lm | Return number of observations for statistical models | 
| nParam | Number of model parameters | 
| nParam.default | Number of model parameters | 
| nParam.lm | Number of model parameters | 
| quasiconcavity | Test for quasiconcavity / quasiconvexity | 
| quasiconvexity | Test for quasiconcavity / quasiconvexity | 
| rowMedians | Medians of Rows | 
| rSquared | Calculate R squared value | 
| semidefiniteness | Positive or Negative Semidefiniteness | 
| stdEr | Standard deviations | 
| stdEr.default | Standard deviations | 
| stdEr.lm | Standard deviations | 
| sumKeepAttr | Sum of an Array While Keeping its Attributes | 
| summarizeDF | Summarize a data.rrame | 
| symMatrix | Symmetric Matrix | 
| triang | Upper triangular matrix from a vector | 
| vecli | Vector of linear independent values | 
| vecli2m | Convert vector of linear independent values into a Matrix | 
| veclipos | Position in a vector of linear independent values |