Dataset Overview of the Adult Census Dataset (Medium).

adult_dataset_overview.py

import pandas as pd

# Load the data
df = pd.read_csv('data/adult.csv', na_values='?')

# Dataset Overview
df.head() # preview a sample

df.shape  # number of observations and features
# (32561, 15)

df.dtypes # data types
#age                int64
#workclass         object
#fnlwgt             int64
#education         object
# (...)

df[df.duplicated()] # check duplicated rows

df.isna().sum() # missing values per feature
#age                  0
#workclass         1836
#fnlwgt               0
# (...)

df.isna().sum().sum() # number of missing cells
round(df.isna().sum().sum() / df.size * 100, 1) # percentage of missing cells