demographic_data_analyzer.py

import pandas as pd


def calculate_demographic_data(print_data=True):
    # Read data from file
    df = pd.read_csv('adult.data.csv')
  

    # How many of each race are represented in this dataset? This should be a Pandas series with race names as the index labels.
    race_count = df.race.value_counts()

    # What is the average age of men?
    average_age_men = df.loc[df.sex == 'Male', 'age'].mean().round(decimals=1)

    # What is the percentage of people who have a Bachelor's degree?
    percentage_bachelors =round((df.loc[df.education=='Bachelors'].shape[0])/len(df)*100,1)

    # What percentage of people with advanced education (`Bachelors`, `Masters`, or `Doctorate`) make more than 50K?
    # What percentage of people without advanced education make more than 50K?

    # with and without `Bachelors`, `Masters`, or `Doctorate`
    higher_education = df.loc[df.education.isin(['Bachelors','Masters','Doctorate'])].shape[0]
    lower_education = len(df)-higher_education

    # percentage with salary >50K
    higher_education_rich =round(df.loc[(df.education.isin(['Bachelors','Masters','Doctorate']))&(df.salary=='>50K')].shape[0] /higher_education*100,1)
    lower_education_rich =round(df.loc[(~df.education.isin(['Bachelors','Masters','Doctorate']))&(df.salary=='>50K')].shape[0] /lower_education*100,1)

    # What is the minimum number of hours a person works per week (hours-per-week feature)?
    min_work_hours = df['hours-per-week'].min()

    # What percentage of the people who work the minimum number of hours per week have a salary of >50K?
    num_min_workers = df.loc[(df['hours-per-week']==min_work_hours)&(df.salary=='>50K')].shape[0]

    rich_percentage = num_min_workers/df.loc[df['hours-per-week']==min_work_hours].shape[0]*100

    # What country has the highest percentage of people that earn >50K?
    highest_earning_country = (df[['salary','native-country']].groupby('native-country').apply(lambda x: x.loc[x.salary=='>50K'].shape[0]/x.shape[0]*100).sort_values(ascending=False)).index[0]
    highest_earning_country_percentage = round(df[['salary','native-country']].groupby('native-country').apply(lambda x: x.loc[x.salary=='>50K'].shape[0]/x.shape[0]*100).max(),1)

    # Identify the most popular occupation for those who earn >50K in India.
    top_IN_occupation = df.loc[(df.salary=='>50K')&(df['native-country'] =='India'),'occupation'].value_counts().idxmax()

    # DO NOT MODIFY BELOW THIS LINE

    if print_data:
        print("Number of each race:\n", race_count) 
        print("Average age of men:", average_age_men)
        print(f"Percentage with Bachelors degrees: {percentage_bachelors}%")
        print(f"Percentage with higher education that earn >50K: {higher_education_rich}%")
        print(f"Percentage without higher education that earn >50K: {lower_education_rich}%")
        print(f"Min work time: {min_work_hours} hours/week")
        print(f"Percentage of rich among those who work fewest hours: {rich_percentage}%")
        print("Country with highest percentage of rich:", highest_earning_country)
        print(f"Highest percentage of rich people in country: {highest_earning_country_percentage}%")
        print("Top occupations in India:", top_IN_occupation)

    return {
        'race_count': race_count,
        'average_age_men': average_age_men,
        'percentage_bachelors': percentage_bachelors,
        'higher_education_rich': higher_education_rich,
        'lower_education_rich': lower_education_rich,
        'min_work_hours': min_work_hours,
        'rich_percentage': rich_percentage,
        'highest_earning_country': highest_earning_country,
        'highest_earning_country_percentage':
        highest_earning_country_percentage,
        'top_IN_occupation': top_IN_occupation
    }