Pandas apply function to column

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

Source: stackoverflow.com

Pandas apply function to column

df['a'] = df['a'].apply(lambda x: x + 1)

Source: stackoverflow.com

Python pandas apply function to one column

df['a'] = df['a'].apply(lambda x: x + 1)

Source: stackoverflow.com

Apply a created function pandas

df['column']=df['column'].apply(function)

Source: stackoverflow.com

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