| add_to_equal | add something to strings to be equal length | 
| all_col | all column true is true in a data | 
| any_col | Any column true is true in a dataframe | 
| any_row | Any row true is true in a dataframe | 
| auc_forEach | To get auc for each variable | 
| catdf | Cat Dataframe and Matrix | 
| clear | remove all object and detach all loaded packages | 
| common | Find Common | 
| flat_strech | To flat and strech data | 
| grapes-equals-grapes | return locations which b equals a in b | 
| grapes-not-equals-grapes | return locations which b does not equal a in b | 
| grapes-s-equals-grapes | similarly match by grep | 
| hello | Hello, World! | 
| inner_Add_Symbol | To inner join character by some symbol | 
| Left | cut out a string from left | 
| Mid | cut out a string from start and length | 
| Nchar | number of characters | 
| Normaldistr_test | To do normal distrbution test | 
| plot_roc | To plot roc curve | 
| Power | To caculate the power of some data | 
| read_excel | To read excel by xlsx::read.xlsx | 
| read_Text | To read text in rstudio source to dataframe | 
| reg_coxph | regress for coxph from survival package | 
| reg_linear | regress for linear regressiong using lm | 
| reg_logistic | regress for logistic regression using glm | 
| remove.empty.unite.in.list | To delet empty unit in list | 
| remove_objects | remove all objects in Global Environment | 
| replace | replace | 
| replace0 | replace | 
| reshape_toLong | reshape wide to long | 
| reshape_toWide | To reshape long to wide | 
| Reverse | Reverse string to the opposite order | 
| Right | cut out a string from right | 
| RiskFactor_plot.linear | To plot Risk Factor plot for linear regression | 
| RiskFactor_plot.survival | To plot Risk factor plot for survival plot | 
| scale_col | To scale every column seperately | 
| scale_row | To scale every row seperately | 
| spread_byonecolumn | To spread by one column | 
| sum_col | sum for each column | 
| summary_table | To get summary table | 
| sum_row | sum for each row | 
| unique_1_stack_n | To unique and stack dataframe | 
| UnivarReg_logistic_adjust | To do UnivarReg of logistic for adjust vars | 
| UniverReg_logistcic | Univariable logistci regression | 
| write_excel | To write an excle | 
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