Numeric Metamorphosis: Converting Categorical Features With Python
Authors/Creators
- 1. Student, Alliance University, Bangalore
- 2. Assistant Professor,Ashoka Women's Engineering College, Kurnool
- 3. Associate Professor, Ashoka Women's Engineering College, Kurnool
- 4. Professor,Ashoka Women's Engineering College, Kurnool
- 5. Student, Ashoka Women's Engineering College, Kurnool
Description
In data preprocessing for machine learning, converting categorical features to numerical values is a crucial step. Python offers various techniques to achieve this transformation. One common approach is Label Encoding, where each category is assigned a unique integer. This method is suitable when there's a meaningful ordinal relationship between categories. Alternatively, One-Hot Encoding can be used to create binary columns for each category, which is ideal when there's no inherent order among them. These conversions enable machine learning algorithms to work with categorical data efficiently, making them an essential part of the data preparation process, ultimately leading to more accurate and effective predictive models.
Files
Numeric Metamorphosis Converting Categorical Features -HBRP Publication.pdf
Additional details
References
- 1. https://www.projectpro.io/recipes/convert-categorical-variables-into-numerical-variables-in-python
- 2. https://www.geeksforgeeks.org/how-to-convert-categorical-string-data-into-numeric-in-python/
- 3. https://thecleverprogrammer.com/2020/11/22/convert-categorical-features-to-numerical-with-python/
- 4. https://pbpython.com/categorical-encoding.html
- 5. https://catboost.ai/docs/concepts/algorithm-main-stages_cat-to-numberic
- 6. https://www.analyticsvidhya.com/blog/2015/11/easy-methods-deal-categorical-variables-predictive-modeling/