Answers for "apply a function to a column in pandas"

1

pandas apply function to column

df['a'] = df['a'].apply(lambda x: x + 1)
Posted by: Guest on May-19-2020
1

apply a created function pandas

df['column']=df['column'].apply(function)
Posted by: Guest on December-31-2020
3

pandas apply function to each row lambda

def EOQ(D,p,ck,ch):
    Q = math.sqrt((2*D*ck)/(ch*p))
    return Q
ch=0.2
ck=5
df['Q'] = df.apply(lambda row: EOQ(row['D'], row['p'], ck, ch), axis=1)
df
Posted by: Guest on August-23-2020

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