# Tidy Finance > An opinionated approach on empirical research in financial economics ## Pages - [Support Tidy Finance](https://www.tidy-finance.org/support.llms.md) - [index](https://www.tidy-finance.org/index.llms.md) - [WRDS Pseudo Data](https://www.tidy-finance.org/chapters/wrds-dummy-data.llms.md) - [Working with Stock Returns](https://www.tidy-finance.org/chapters/working-with-stock-returns.llms.md) - [Univariate Portfolio Sorts](https://www.tidy-finance.org/chapters/univariate-portfolio-sorts.llms.md) - [The `tidyfinance` package](https://www.tidy-finance.org/chapters/the-tidyfinance-package.llms.md) - [Setting Up Tidy Finance](https://www.tidy-finance.org/chapters/setting-up-your-environment.llms.md) - [Proofs](https://www.tidy-finance.org/chapters/proofs.llms.md) - [Other Data Providers](https://www.tidy-finance.org/chapters/other-data-providers.llms.md) - [Modern Portfolio Theory](https://www.tidy-finance.org/chapters/modern-portfolio-theory.llms.md) - [Fixed Effects and Clustered Standard Errors](https://www.tidy-finance.org/chapters/fixed-effects-and-clustered-standard-errors.llms.md) - [Fama-MacBeth Regressions](https://www.tidy-finance.org/chapters/fama-macbeth-regressions.llms.md) - [Discounted Cash Flow Analysis](https://www.tidy-finance.org/chapters/discounted-cash-flow-analysis.llms.md) - [Cover and Logo Design](https://www.tidy-finance.org/chapters/cover-and-logo-design.llms.md) - [Colophon](https://www.tidy-finance.org/chapters/colophon.llms.md) - [The Capital Asset Pricing Model](https://www.tidy-finance.org/chapters/capital-asset-pricing-model.llms.md) - [Accessing and Managing Financial Data](https://www.tidy-finance.org/chapters/accessing-and-managing-financial-data.llms.md) - [Beta Estimation](https://www.tidy-finance.org/chapters/beta-estimation.llms.md) - [Clean Enhanced TRACE](https://www.tidy-finance.org/chapters/clean-enhanced-trace.llms.md) - [Constrained Optimization and Backtesting](https://www.tidy-finance.org/chapters/constrained-optimization-and-backtesting.llms.md) - [Difference in Differences](https://www.tidy-finance.org/chapters/difference-in-differences.llms.md) - [Factor Selection via Machine Learning](https://www.tidy-finance.org/chapters/factor-selection-via-machine-learning.llms.md) - [Financial Statement Analysis](https://www.tidy-finance.org/chapters/financial-statement-analysis.llms.md) - [Tidy Finance](https://www.tidy-finance.org/chapters/index.llms.md) - [Option Pricing via Machine Learning](https://www.tidy-finance.org/chapters/option-pricing-via-machine-learning.llms.md) - [Parametric Portfolio Policies](https://www.tidy-finance.org/chapters/parametric-portfolio-policies.llms.md) - [Replicating Fama-French Factors](https://www.tidy-finance.org/chapters/replicating-fama-and-french-factors.llms.md) - [Size Sorts and p-Hacking](https://www.tidy-finance.org/chapters/size-sorts-and-p-hacking.llms.md) - [TRACE and FISD](https://www.tidy-finance.org/chapters/trace-and-fisd.llms.md) - [Value and Bivariate Sorts](https://www.tidy-finance.org/chapters/value-and-bivariate-sorts.llms.md) - [WRDS, CRSP, and Compustat](https://www.tidy-finance.org/chapters/wrds-crsp-and-compustat.llms.md) - [disclaimer](https://www.tidy-finance.org/disclaimer.llms.md) - [LICENSE](https://www.tidy-finance.org/LICENSE.llms.md)