Overfitting a model to your data is one of the most common challenges you will face as a Data Scientist. This problem may be obvious sometimes, like when the model performs incredibly well on training data but poorly on the test data. When this happens, you know the model has overfitted and will try and fix it with cross-validation or hyperparameter tuning. But sometimes the problem of overfitting is very subtle, and not easily noticed.

Read more: https://analyticsindiamag.com/guide-to-adversarial-validation-to-reduce-overfitting-in-machine-learning/

#datascience #analytics #data #dataanalysis #datascientist #learndatascience