Pandas shift column up

Pandas shift columns up until value

#We create a function to shift up the data of each column up until the first actual number
def shift_up(data):
    i=0
    while(i<len(data.columns)):
        while(pd.isnull(data.iloc[0,i])==True):
            data.iloc[:,i]=data.iloc[:,i].shift(-1)
        i+=1
    return data

Source: grepper.com

Pandas shift column down

>>> df.shift(periods=3)
#Shifted down by 3 periods
#If you want to shift up insert the number of periods as a negative number
            Col1  Col2  Col3
2020-01-01   NaN   NaN   NaN
2020-01-02   NaN   NaN   NaN
2020-01-03   NaN   NaN   NaN
2020-01-04  10.0  13.0  17.0
2020-01-05  20.0  23.0  27.0

Source: pandas.pydata.org

Similar codes

1 vote307 views1 answer
Nice python turtle code
Python
40 votes291 views4 answers
Python email
Python
0 vote300 views1 answer
Analog of join in pathlibn
Python
7 votes290 views1 answer
Coinflip
Python
2 votes251 views2 answers
Python generate all combinations
Python
0 vote296 views1 answer
Python add columns to dataframe without changing the original
Python
1 vote281 views1 answer
Inverse list python
Python
3 votes298 views1 answer
Rotate picture in opencv2 python
Python
121 votes294 views6 answers
For i in range python
Python
0 vote318 views1 answer
=adaqtar
Python