Answers for "pandas dataframe select rows by condition"

4

fetch row where column is equal to a value pandas

df.loc[df['column_name'] == 'value']
Posted by: Guest on May-02-2020
5

new dataframe based on certain row conditions

filterinfDataframe = dfObj[(dfObj['Sale'] > 30) & (dfObj['Sale'] < 33) ]
Posted by: Guest on April-04-2020
3

new dataframe based on certain row conditions

# Create variable with TRUE if nationality is USA
american = df['nationality'] == "USA"

# Create variable with TRUE if age is greater than 50
elderly = df['age'] > 50

# Select all cases where nationality is USA and age is greater than 50
df[american & elderly]
Posted by: Guest on March-02-2020
0

pandas select rows by condition in list

dataframe[dataframe['Stream'].isin(options)]
Posted by: Guest on July-08-2021
-1

python pandas dataframe conditional subset

In [722]: df[(df['C']==1) | df['B']]
Out[722]:
   A      B  C
0  1   True  1
2  2  False  1
3  2   True  2
4  3   True  1

In [723]: df.query('C==1 or B==True')
Out[723]:
   A      B  C
0  1   True  1
2  2  False  1
3  2   True  2
4  3   True  1

In [724]: df[df.eval('C==1 or B==True')]
Out[724]:
   A      B  C
0  1   True  1
2  2  False  1
3  2   True  2
4  3   True  1
Posted by: Guest on May-26-2020

Code answers related to "pandas dataframe select rows by condition"

Python Answers by Framework

Browse Popular Code Answers by Language