Pandas SQL Query: Count the NaN values of all the columns of locations file
Write a Pandas program to count the NaN values of all the columns of locations file.
LOCATIONS.csv
Sample Solution :
Python Code :
import pandas as pd
pd.set_option('display.max_rows', 500)
pd.set_option('display.max_columns', 500)
employees = pd.read_csv(r"EMPLOYEES.csv")
departments = pd.read_csv(r"DEPARTMENTS.csv")
job_history = pd.read_csv(r"JOB_HISTORY.csv")
jobs = pd.read_csv(r"JOBS.csv")
countries = pd.read_csv(r"COUNTRIES.csv")
regions = pd.read_csv(r"REGIONS.csv")
locations = pd.read_csv(r"LOCATIONS.csv")
print("\nNaN values of all the columns of locations file:" )
print(locations.isna().sum())
Sample Output:
NaN values of all the columns of locations file: location_id 0 street_address 0 postal_code 1 city 0 state_province 6 country_id 0 dtype: int64
Click to view the table contain:
Python Code Editor:
Structure of HR database :
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Next: Write a Pandas program to display the first name, last name, salary and department number for those employees whose first name ends with the letter 'm'.
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