Description Usage Arguments Details Value See Also Examples
delFewValues
will delete variables whose number of different values is too few(see details) to use binning function, and return a new dataframe.
1 | delFewValues(df, minN = 5, minF = 2, exclude = NULL)
|
df |
A dataframe. |
minN |
Min number for numeric variable, default |
minF |
Min number for factor variable, default |
exclude |
Vector of column names or numbers to exclude, default |
for numeric variable, number of different values must be 5 at least, excluding missing values; for factor variable, must be 2 at least, excluding missing values also.
A dataframe after deleted
Other data preprocessing functions: delNArate
,
delSinvalPercent
, excludeCol
,
maxSinvalPercent
1 2 | data(CreditData)
mysample <- delFewValues(CreditData, minN = 5, minF = 2, exclude = "target")
|
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