Remove constant metrics and categorical metrics

Remove constant metrics and categorical metrics

remove.constant.categorical(dataset, metrics)

Arguments

dataset	a data frame for data
metrics	a characters or a vector of characters for independent variables

Examples

Data = loadDefectDataset('groovy-1_5_7','jira')
remove.constant.categorical(dataset = Data$data, metrics = Data$indep)
#>  [1] "CountDeclMethodPrivate"    "AvgLineCode"              
#>  [3] "CountLine"                 "MaxCyclomatic"            
#>  [5] "CountDeclMethodDefault"    "AvgEssential"             
#>  [7] "CountDeclClassVariable"    "SumCyclomaticStrict"      
#>  [9] "AvgCyclomatic"             "AvgLine"                  
#> [11] "CountDeclClassMethod"      "AvgLineComment"           
#> [13] "AvgCyclomaticModified"     "CountDeclFunction"        
#> [15] "CountLineComment"          "CountDeclClass"           
#> [17] "CountDeclMethod"           "SumCyclomaticModified"    
#> [19] "CountLineCodeDecl"         "CountDeclMethodProtected" 
#> [21] "CountDeclInstanceVariable" "MaxCyclomaticStrict"      
#> [23] "CountDeclMethodPublic"     "CountLineCodeExe"         
#> [25] "SumCyclomatic"             "SumEssential"             
#> [27] "CountStmtDecl"             "CountLineCode"            
#> [29] "CountStmtExe"              "RatioCommentToCode"       
#> [31] "CountLineBlank"            "CountStmt"                
#> [33] "MaxCyclomaticModified"     "CountSemicolon"           
#> [35] "AvgLineBlank"              "CountDeclInstanceMethod"  
#> [37] "AvgCyclomaticStrict"       "PercentLackOfCohesion"    
#> [39] "MaxInheritanceTree"        "CountClassDerived"        
#> [41] "CountClassCoupled"         "CountClassBase"           
#> [43] "CountInput_Max"            "CountInput_Mean"          
#> [45] "CountInput_Min"            "CountOutput_Max"          
#> [47] "CountOutput_Mean"          "CountOutput_Min"          
#> [49] "CountPath_Max"             "CountPath_Mean"           
#> [51] "CountPath_Min"             "MaxNesting_Max"           
#> [53] "MaxNesting_Mean"           "MaxNesting_Min"           
#> [55] "COMM"                      "ADEV"                     
#> [57] "DDEV"                      "Added_lines"              
#> [59] "Del_lines"                 "OWN_LINE"                 
#> [61] "OWN_COMMIT"                "MINOR_COMMIT"             
#> [63] "MINOR_LINE"                "MAJOR_COMMIT"             
#> [65] "MAJOR_LINE"