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| %+% | Concatenate two strings |
| addCol | Add a constant column to a data.frame or matrix |
| demean | Demean a vector or a matrix (by column) |
| evalFunctionOnList | Evaluate Function Under Local Variables |
| generateSignificance | Generate t-statistics, p-value and significance |
| JBTest | p Value of Jarque Bera test |
| label_both_parsed_recode | Combine label_both and label_parsed in 'ggplot2'. |
| oapply | Outer apply |
| packages | load packages with auto-installation |
| recode | Recode the value of a vector |
| repCol | Repeat a vector by col |
| repRow | Repeat a vector by row |
| shift | shift a vector by 'shift_by' unit |
| sourceAll | Source all the R files of a directory |
| splitBy | Split a vector by a sequence of length |