Useful tips for everyday
Is it possible to reduce the training error to zero? You can get zero training error by chance, with any model. Say your biased classifier…
How is cross-validation implemented? Cross-validation is a resampling procedure used to evaluate machine learning models on a limited data sample. The procedure has a single…
Is train-test split stratified? Some classification problems do not have a balanced number of examples for each class label. As such, it is desirable to…
What is the problem of machine learning? The number one problem facing Machine Learning is the lack of good data. While enhancing algorithms often consumes…
How do you scale a dataset? Good practice usage with the MinMaxScaler and other scaling techniques is as follows: Fit the scaler using available training…
How do I replace a word in a text file? Find and replace text Go to Home > Replace or press Ctrl+H. Enter the word…
How do you determine if data is normally distributed? For quick and visual identification of a normal distribution, use a QQ plot if you have…
What is tagging in Data Science? Text tagging is the process of manually or automatically adding tags or annotation to various components of unstructured data…
Is stock price prediction classification or regression? One of the major studies has been the attempt to predict the stock prices of various companies based…
What is the best style of note taking for lecture classes? If you want your notes to be concise and brief, use abbreviations and symbols.…