| beNumeric | Whether a string vector can be converted to numeric |
| fit2newdata | Make a new data set for prediction |
| getAspectRatio | Get aspect information of a ggplot |
| getMeans | calculate mean values of two consecutive number |
| getNewFormula | Make new formula |
| ggPredict | Visualize predictions from the multiple regression models. |
| is.mynumeric | Decide whether a vector can be treated as a numeric variable |
| myseq | Generate regular sequences of desired length between minimum and maximal values |
| number2group | Convert a numeriv vector into groups |
| predict3d | Draw 3d predict plot using package 'rgl' |
| rank2colors | Rank a numeric vector using proportional table and returns character vector of names of color using palette |
| rank2group2 | Rank a numeric vector using proportional table and returns a new ordinal vector |
| restoreData | Restore factors in data.frame as numeric |
| restoreData2 | restore data column with I() function |
| restoreNames | Restore factors in variable name as numeric |
| slope2angle | Make angle data with slope data |