python count variable and put the count in a column of data frame
df['freq'] = df.groupby('myvar')['myvar'].transform('count')python count variable and put the count in a column of data frame
df['freq'] = df.groupby('myvar')['myvar'].transform('count')how to get column count
/**
* Get the column count
* @return count of column the result set have
*/
public static int getColumnCount(){
int columnCount = 0;
try {
ResultSetMetaData rsMetaData = rs.getMetaData();
columnCount = rsMetaData.getColumnCount();
} catch (SQLException e) {
System.out.println("ERROW WHILE GETTING COLUMN COUNT " +e.getMessage());
}
return columnCount;
}Copyright © 2021 Codeinu
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