Useful tips for everyday
Can a negative log-likelihood be negative? We can interpret the loss as the “unhappiness” of the network with respect to its parameters. The negative log-likelihood…
What is the input dimension of LSTM? The input data to LSTM looks like the following diagram. You always have to give a three-dimensional array…
How does a left-skewed distribution affect the mean? if the distribution of data is skewed to the left, the mean is less than the median,…
How can you tell if a machine learning model is accurate? Various ways to evaluate a machine learning model’s performance Confusion matrix. Accuracy. Precision. Recall.…
How to forecast unevenly spaced time series data? Since it is now a univariate time-series I have tried classical time-series forecasting methods like ARIMA and…
How do you predict a user churn? One of the ways to calculate a churn rate is to divide the number of customers lost during…
When to do feature selection before or after split? The contradicting answer is that, if only the Training Set chosen from the whole dataset is…
What is FP growth method? FP-growth is an improved version of the Apriori Algorithm which is widely used for frequent pattern mining(AKA Association Rule Mining).…
What is MNIST dataset in keras? load_data function Loads the MNIST dataset. This is a dataset of 60,000 28×28 grayscale images of the 10 digits,…
How does keras data augmentation work? How to Configure Image Data Augmentation in Keras Image data augmentation is used to expand the training dataset in…