Data Preprocessing
Feature Engineering Feature Engineering is a systematic process of reducing dimension of data set, creating new features and selecting relevant features for making machine learning model useful. Web Scraping Web Scraping is a method of collecting html data from a website, so that it can be transformed into proper structure for data analysis.
| Topic | Replies | Views | Activity | |
|---|---|---|---|---|
| About the Data Preprocessing category |
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0 | 1217 | September 10, 2021 |
| Pooling and Stride |
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1 | 1854 | January 1, 2023 |
| What is one-hot encoding? |
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0 | 1828 | November 8, 2022 |
| Error: Iterable over raw text documents expected, string object received tfidf vectorizer |
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3 | 17822 | May 22, 2019 |
| A Systematic Way to Build a List of Stopwords |
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2 | 2259 | April 23, 2019 |
| How can outlier values be treated? |
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2 | 2336 | April 23, 2019 |
| How can I manipulate a pandas Series with a self defined function? |
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0 | 1718 | April 22, 2019 |
| During analysis, how do you treat missing values? |
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3 | 2010 | April 17, 2019 |
| Standardization and Normalization |
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3 | 2397 | April 16, 2019 |
| Text analytics dfm to matrix problem |
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1 | 1854 | April 16, 2019 |
| Hypothesis testing and P-values |
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1 | 2093 | April 9, 2019 |
| What is the best possible way to split data into training and validation sets? |
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2 | 4061 | April 3, 2019 |
| Cross validation and Overfitting |
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1 | 1841 | April 3, 2019 |
| How to clean titanic dataset? |
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0 | 3781 | October 16, 2017 |