python计算IV值_jupyter求iv 固定十分箱

1. pdf分页使用的是\newpage 或者 \pagebreak;

https://stackoverflow.com/questions/25240541/how-to-add-newpage-in-rmarkdown-in-a-smart-way

2. python计算IV值

def compute_IV(df, variable, target):
    
    """
    to compute the IV of the variable 
    
    df: data frame; 
    variable: compute its IV; 
    target: the target(1 or 0)
    
    reference: https://gist.github.com/Kirili4ik/1364c8666b042854b35c04b5b82be720
    
    """
    
    df = df[[variable, target]].copy()
    
    df[target] = np.where(df[target] == 1, 'Good', 'Bad')
 
    df = df.groupby([variable, target]).size().reset_index()
 
    df.rename(columns={0: 'size'}, inplace=True)
 
    import itertools
 
    df2 = pd.DataFrame(itertools.product(list(df[variable].unique()),