Useful tips for everyday
How do you set up a hypothesis test in statistics? Step 1: Specify the Null Hypothesis. Step 2: Specify the Alternative Hypothesis. Step 3: Set…
Why is nearest neighbor a lazy algorithm? The K-Nearest Neighbours (KNN) algorithm is one of the simplest supervised machine learning algorithms that is used to…
How do you compare two paired t tests? To compare unpaired means between more than two groups on a continuous outcome that is normally distributed,…
How to understand the mediation package in R? I’m trying to get my head around the mediation package in R, using the vignette for the…
How to do Bayesian posterior simulations and predictive checks? We start with the simplest available method: ## `stat_bin ()` using `bins = 30`. Pick better…
How do you do a propensity model? Here’s the step-by-step process: Select your features with a group of domain experts. After choosing linear or logistic…
What is the dropout What is the use of dropout in training phase and dropout in testing phase? Dropout is a method of making bagging…
What is the relation between variance and standard deviation? Standard deviation is calculated as the square root of variance by figuring out the variation between…
What happens when you use baseline as a covariate? Note that when the baseline is included as a covariate in the model, the estimated treatment…
What is attractor in a network? In general, an attractor network is a network of nodes (i.e., neurons in a biological network), often recurrently connected,…