| checkCols | check the validation and return index of cols given from input in rawDataFrame | 
| checkDtype | Return suggested dtype of vector input | 
| grade | Grade records of virtual persons in high school | 
| matchIndex | Return the index of source vector matched with query vector | 
| mergeCustom | merge two data.frame based on xcol and ycol | 
| modifyColNames | Return reformatted data.frame with standard col names | 
| modifyColTypes | Return suggested appropriate dtypes for each column in rawDataFrame | 
| modifyRowNames | Return reformatted data.frame with standard row names | 
| people | Basic information of virtual persons | 
| queryingInfo | return index of x data.frame with the given vector/list or ycol in data.frame (if set the accurate match or not) | 
| ShowSNPDensityPlot | Function of showing SNP density at chromosome level | 
| SNV_1MB_density_data | The SNPV number within 1Mb bins at chromosome levels generated from transcriptome dataset of two dog populations (including wild wolf and domesticated dogs). | 
| splitCol | Return specific-indexed vector according to given delimitator/separator by splitting one col in data.frame | 
| unifyDataframe | Reformat dataframe with the all modifiers simultaneously (colNames, rowNames and dtypes) |