General
 - [ ] Several TODOs
 - Should be change `method` parameter to `precision`?

Preprocessing:
 - [ ] TODOs in tests

AllSubsetRegression:
 - [ ] Better parameters types
 - [ ] Fixing Julia conventions
 - [ ] Better tests
 - [ ] Improve typing in AllSubsetRegressionResult
 - [ ] Add typing in estimators.ols

Output:
 - [ ] Allow to generate latex report if ttest is false
 - [ ] Docstrings in Output.utils.js
 - [ ] Add many parameters types
 - [ ] Tests

FeatureExtraction:
 - [ ] Tests
 - [ ] Docstrings and improve types

CrossValidation:
 - [ ] Improve typing in data result
 - [ ] Docstrings and improve types
 - [ ] Improve tests

PreliminarySelection:
 - [ ] Docstrings and improve types
 - [ ] Improve tests

Tests:
 - [ ] Update Project.toml and Manifest.toml
 - [ ] Should data be included in the repo or downloaded?
