to detect if a data frame has nan values
df.isnull().sum().sum()
5to detect if a data frame has nan values
df.isnull().sum().sum()
5find null values pandas
#Retreieve boolean values of whether or not the given cells of a dataframe are
#null
df.isnull()df null
age 0
job 0
marital 0
education 0
default 0
housing 0
loan 0
contact 0
month 0
day_of_week 0
duration 0
campaign 0
pdays 0
previous 0
poutcome 0
emp.var.rate 0
cons.price.idx 0
cons.conf.idx 0
euribor3m 0
nr.employed 0
y 0
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