Useful tips for everyday
What is sentiment analysis also known as? Sentiment analysis, also referred to as opinion mining, is an approach to natural language processing (NLP) that identifies…
Is Tobit a binary? Tobit models are entirely different. It has nothing to do with binary or discrete outcomes. Tobit models are a form of…
What is the problem of gradient descent? If the execution is not done properly while using gradient descent, it may lead to problems like vanishing…
What is backdoor criterion? Backdoor Criterion — Given an ordered pair of variables (X, Y) in a directed acyclic graph G, a set of variables…
What is probabilities and normal distribution? The normal distribution is a continuous probability distribution. The probability that a normal random variable X equals any particular…
Can correlation be exactly 1? A correlation of –1 means the data are lined up in a perfect straight line, the strongest negative linear relationship…
How does Python calculate classification accuracy? In multilabel classification, this function computes subset accuracy: the set of labels predicted for a sample must exactly match…
What is a subjective comparison? When evaluating information, it’s very important to be able to separate fact from opinion. Objective information is based on unbiased…
What is the identity link? For the linear regression model, the link function is called the identity link function, because no transformation is needed to…
Why do you use lasso for feature selection? In contrast, automated feature selection based on standard linear regression by stepwise selection or choosing features with…