Useful tips for everyday
Are neural nets machine learning? Strictly speaking, a neural network (also called an “artificial neural network”) is a type of machine learning model that is…
What is the fundamental idea behind support vector machines? SVM or Support Vector Machine is a linear model for classification and regression problems. It can…
What is hazard estimate? The hazard function (also called the force of mortality, instantaneous failure rate, instantaneous death rate, or age-specific failure rate) is a…
Can you limit the number of iterations in a k-means algorithm? Limits the number of iterations in the k-means algorithm. Iteration stops after this many…
How do you determine population vs sample? The main difference between a population and sample has to do with how observations are assigned to the…
How do you compare a sample to a population? A population is the entire group that you want to draw conclusions about. A sample is…
What happens when you change the value of K in k-means? The basic idea behind this method is that it plots the various values of…
How to limit the length of text in a regular expression? The following regular expression ensures that text is between 1 and 10 characters long,…
Can you do at test with negative values? In statistics, t-tests are used to compare the means of two groups. Although a negative t-value shows…
How do you calculate the relative important index for a Likert scale variable? It is computed by dividing the mean average by 5 (if there…