Tips

Tips and tricks based on first hand experience

how to preprocess text data for machine learning and nlp

Text Preprocessing for Machine Learning & NLP

Learn what text preprocessing is, the different techniques for text preprocessing and a way to estimate how much preprocessing you may need. For those interested, I’ve also made some text preprocessing code snippets in python for you to try. Now, let’s get started!

How to compute precision and recall for a multi-class classification problem

In evaluating multi-class classification problems, we often think that the only way to evaluate performance is by computing the accuracy which is the proportion or percentage of correctly predicted labels over all predictions.  However, we can always compute precision and recall for each class label and analyze the individual performance on class labels or average the …

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