Imputer et compléter les valeurs manquantes à l’aide de moyennes

Lorsque vous réaliserez votre analyse, vous utiliserez probablement vos propres données. Les jeux de données contiennent souvent des valeurs manquantes. Dans cet exercice, vous allez vous entraîner à imputer ces valeurs manquantes. L’imputation est importante, car vous ne voulez pas que les valeurs manquantes freinent votre analyse.

pandas a été importé sous l’alias pd et NumPy sous l’alias np. Un DataFrame pandas nommé dataset a été chargé pour vous. Il contient la colonne "Total Current Liabilities", qui comporte quelques valeurs manquantes.

Cet exercice fait partie du cours

<cours>Analyser les états financiers en Python</cours>

Exercice interactif pratique

Essayez cet exercice en complétant ce code d’exemple.

# Impute missing value using average non-missing values by company
impute_by_company = dataset.____

# Impute missing value using average non-missing values by industry
impute_by_comp_type = dataset.____

print(impute_by_company)
print(impute_by_comp_type)

Modifier et exécuter le code

Cet exercice fait partie du cours

<cours>Analyser les états financiers en Python</cours>

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In this chapter, you will learn how to read and interpret a balance sheet and compute and use financial ratios to evaluate a company's performance using information from the balance sheet. Additionally, you'll gain hands-on experience using the powerful pandas data manipulation package to analyze a company's financial ratios and compare them to its peers in the industry.

Exercise 1: Introduction to the balance sheet Exercise 2: Match balance sheet items to their class Exercise 3: Relation of assets, liabilities, and shareholders' equity Exercise 4: Practice using the main equation of accounting Exercise 5: Financial ratios from the balance sheet Exercise 6: Match the ratio to its family Exercise 7: Compute the current ratio Exercise 8: Leverage ratios Exercise 9: Computing financial ratios using pandas Exercise 10: Compute current and debt-to-equity ratios Exercise 11: Compute relative difference by industry Exercise 12: Compute ratios by industry

In this chapter, you'll learn how to read and interpret an income statement, calculate key financial ratios, and even create your own functions in Python to automate repetitive tasks. You'll also gain experience using seaborn, a powerful data visualization library, to produce figures to help you understand a company's financial performance.

Exercise 1: Introduction to the income statement Exercise 2: Compute net income Exercise 3: Computing ratios from the income statement Exercise 4: Ratios from the income statement and balance sheet Exercise 5: Updating the user-defined function Exercise 6: Updating user-defined function to do subtraction Exercise 7: Computing ratios with user-defined function Exercise 8: Computing multiple ratios with the user-defined function Exercise 9: Visualizing ratios for within-company analysis Exercise 10: Plotting ratios Exercise 11: Plotting ratios in one figure

In this chapter, you’ll analyze the cash flow statement and use its information to compute and interpret financial ratios. Using Seaborn to create informative plots that compare financial ratios across different companies, you'll build on your existing knowledge of Python and data visualization. By the end of this chapter, you'll have the skills to extract insights from cash flow statements using Python and handle messy, real-world data sets with missing data.

Exercise 1: Tableau des flux de trésorerie Exercise 2: Attribuer les éléments de trésorerie à la bonne catégorie Exercise 3: Calculer le flux de trésorerie net Exercise 4: Ratios financiers à partir du tableau des flux de trésorerie Exercise 5: Fusionner des états financiers Exercise 6: Calculer des ratios du tableau des flux de trésorerie Exercise 7: Imputer et compléter les valeurs manquantes à l’aide de moyennes

Exercice actuel

Exercise 8: Imputer les valeurs manquantes avec des percentiles Exercise 9: Fusionner des états financiers et compléter les valeurs manquantes Exercise 10: Visualiser les ratios financiers pour comparer Exercise 11: Tracer des ratios de flux de trésorerie

In this chapter, you'll learn about the different financial ratios that measure a company's profitability, how to compute them, and how to compare them across other companies. You'll build upon your knowledge of the Seaborn library to create visualizations that help you analyze profitability ratios and identify trends.

Exercise 1: A glimpse into the financial ratios of some industries Exercise 2: Using margins in pivot tables and making a bar plot Exercise 3: Preparing data for a facet grid plot Exercise 4: Making a facet grid plot Exercise 5: User-defined function to make plots Exercise 6: Profitability metrics Exercise 7: Relationship between operating margin and debt-to-equity for real estate companies Exercise 8: Practice with sns.regplot()Exercise 9: Updating the user-defined function for plotting Exercise 10: More on analyzing profitability Exercise 11: Practice making heat maps Exercise 12: Broad analysis Exercise 13: Well done!