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BIG-data/1b.py
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import pandas as pd | |
import matplotlib.pyplot as plt | |
import matplotlib.dates as mdates | |
df = pd.read_csv('Trips_by_Distance.csv') | |
df['Date'] = pd.to_datetime(df['Date']) | |
# Filter datasets for specific conditions | |
df_10_25 = df[df['Number of Trips 10-25'] > 10000000] | |
df_50_100 = df[df['Number of Trips 50-100'] > 10000000] | |
# Plot for 'Number of Trips 10-25' | |
plt.figure(figsize=(20, 10)) | |
plt.scatter(df_10_25['Date'], df_10_25['Number of Trips 10-25'], color='blue') | |
plt.gca().xaxis.set_major_formatter(mdates.DateFormatter('%Y-%m')) | |
plt.gca().xaxis.set_major_locator(mdates.MonthLocator(interval=1)) | |
plt.gcf().autofmt_xdate() # Automatically rotates dates for better readability | |
plt.title('Trips of 10-25 Miles Over Time') | |
plt.xlabel('Date') | |
plt.ylabel('Number of Trips') | |
plt.tight_layout() | |
plt.savefig('trips_10_25_miles_over_time.png') # Saving the plot as PNG | |
plt.close() # Close the plot to avoid display overlap | |
# Plot for 'Number of Trips 50-100' | |
plt.figure(figsize=(20, 10)) | |
plt.scatter(df_50_100['Date'], df_50_100['Number of Trips 50-100'], color='red') | |
plt.gca().xaxis.set_major_formatter(mdates.DateFormatter('%Y-%m')) | |
plt.gca().xaxis.set_major_locator(mdates.MonthLocator(interval=1)) | |
plt.gcf().autofmt_xdate() | |
plt.title('Trips of 50-100 Miles Over Time') | |
plt.xlabel('Date') | |
plt.ylabel('Number of Trips') | |
plt.tight_layout() | |
plt.savefig('trips_50_100_miles_over_time.png') # Save this plot as well | |
plt.close() | |
trips_full_data_cleaned = trips_full_data_cleaned.drop_duplicates() | |
trips_by_distance_cleaned = trips_by_distance.drop_duplicates() | |
trips_full_data_cleaned['Date'] = pd.to_datetime(trips_full_data_cleaned['Date'], errors='coerce') | |
trips_by_distance_cleaned.loc[trips_by_distance_cleaned['Distance'] > 1000, 'Distance'] = np.nan | |
print(trips_full_data_cleaned.isnull().sum()) | |
print(trips_by_distance_cleaned.isnull().sum()) |