Category: Uncategorized

Cadaverine can be defined as

What does fig, axes = plt.subplots(2, 2) return?

Study the following code and answer the questions below.fig, axes = plt.subplots(2, 2, figsize=(12, 8)) axes[0, 0].plot(months, revenue, marker=’o’) plt.title(‘Revenue Trend’) # Line A axes[0, 1].bar(regions, profit) axes[0, 1].set_title(‘Profit by Region’) axes[1, 0].pie(shares, labels=regions) axes[1, 0].set_title(‘Market Share’) axes[1, 1].scatter(spend, sales) axes[1, 1].set_title(‘Ad Spend vs Sales’) plt.show() plt.savefig(‘dashboard.png’, dpi=300) # Line B (a) Line A uses plt.title() instead of axes[0, 0].set_title(). What problem will this cause?(b) Line B calls plt.savefig() after plt.show(). What will happen when the file is saved?(c) What function should be called before plt.show() to prevent subplot labels from overlapping?

What is the standard convention for importing Matplotlib’s pyplot module?

In the basic Matplotlib workflow, what function do you call to display the chart after creating and labeling it?plt.___()

After fitting a linear regression model, what does model.coef_ return?

A car price model shows a coefficient of -2000 for the feature ‘age’ (in years). What does this mean?

In a well-fitting linear regression model, what pattern should you see in a residual plot?

What does Root Mean Squared Error (RMSE) tell you about a regression model?

A regression model has an R² value of 0.82. What does this mean?