From SQLAlchemy results to a plot
We can also take advantage of pandas and Matplotlib to build figures of our data. Remember that data visualization is essential for both exploratory data analysis and communication of your data!
Deze oefening maakt deel uit van de cursus
Introduction to Databases in Python
Oefeninstructies
- Import
matplotlib.pyplotasplt. - Create a DataFrame
dfusingpd.DataFrame()on the providedresults. - Set the columns of the DataFrame
df.columnsto be the columns from the first result objectresults[0].keys(). - Print the DataFrame
df. - Use the
plot.bar()method ondfto create a bar plot of the results. - Display the plot with
plt.show().
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# Import pyplot as plt from matplotlib
# Create a DataFrame from the results: df
df = ____
# Set Column names
df.columns = ____
# Print the DataFrame
# Plot the DataFrame