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!
Cet exercice fait partie du cours
Introduction to Databases in Python
Instructions
- Import
matplotlib.pyplot
asplt
. - Create a DataFrame
df
usingpd.DataFrame()
on the providedresults
. - Set the columns of the DataFrame
df.columns
to be the columns from the first result objectresults[0].keys()
. - Print the DataFrame
df
. - Use the
plot.bar()
method ondf
to create a bar plot of the results. - Display the plot with
plt.show()
.
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# 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