Text Features
59 🏗️ LDA

Feature Engineering A-Z

Preface
Introduction
Numeric Features
Categorical Features
Datetime Features
Missing Data
Text Features
Circular Features
Too Many Variables
Correlated Data
- 80 Correlated Overview
- 81 High Correlation Filter
Outliers
Imbalanced Data
Miscellaneous
Spatial
Time-Series Data
Image Data
Ralational Data
Video Data
- 139 Video Overview
- 140 🏗️ Temporary
Sound Data
- 141 Sound Overview
- 142 🏗️ Temporary
143 🏗️ Order of transformations
144 🏗️ What should you do if you have sparse data?
145 🏗️ How Different Models Deal With Input
146 🏗️ Summary
References

Table of contents

59.1 LDA
59.2 Pros and Cons
- 59.2.1 Pros
- 59.2.2 Cons
59.3 R Examples
59.4 Python Examples

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Text Features
59 🏗️ LDA

59 🏗️ LDA

59.1 LDA

WIP

59.2 Pros and Cons

59.2.1 Pros

59.2.2 Cons

59.3 R Examples

59.4 Python Examples

58 Sequence Encoding

60 🏗️ word2vec

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