Answers for "count nans in a column pandas"

dataframe find nan rows

df[df.isnull().any(axis=1)]

count nan pandas

#Python, pandas
#Count missing values for each column of the dataframe df

df.isnull().sum()

python count null values in dataframe

# Count total missing values in a dataframe

df.isnull().sum().sum()

# Gives a integer value

check if a value is nan pandas

import numpy as np
import pandas as pd

val = np.nan

print(pd.isnull(val))
# True