pandas lag code example
Example 1: dataframe shift python
df.shift(2, axis = 0)
df.shift(-2, axis = 0)
df[c1] = df[c2].shift(2, axis = 0)
df[c1] = df[c2].shift(-2, axis = 0)
Example 2: lag function in pandas
df['Data_lagged'] = df.groupby(['Group'])['Data'].shift(1)