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

3 votes241 views2 answers
Iterating string in python
Python
0 vote210 views1 answer
Adding number in set in python
Python
0 vote217 views1 answer
Nested For loop in Python
Python
0 vote231 views1 answer
Np.arange and np.linspace difference
Python
-1 vote220 views1 answer
Sort dict of dicts by key
Python
0 vote221 views1 answer
How to take out every even number from a list in python
Python
6 votes217 views4 answers
Or in if statement python
Python
0 vote266 views1 answer
Passing array to methods
Python
0 vote234 views1 answer
Pytesseract.image_to_data into pandas dataframe
Python
1 vote251 views1 answer
Hot to pay music in pygame
Python