Useful tips for everyday
Is interval or ratio more precise? As we go on to describe and give examples of each of these levels you’ll see that the numbers…
What is the mutual information I x Y of two random variables X and Y? Proof that the mutual information I(X;Y) between two random variables…
Does linear regression assume linearity? There are four assumptions associated with a linear regression model: Linearity: The relationship between X and the mean of Y…
What is the difference between 1 way and 2 way Anova? A one-way ANOVA only involves one factor or independent variable, whereas there are two…
Is normal distribution same as Gaussian? Normal distribution, also known as the Gaussian distribution, is a probability distribution that is symmetric about the mean, showing…
What does it mean if data is right skewed? A right-skewed distribution has a long right tail. Right-skewed distributions are also called positive-skew distributions. That’s…
What is the forecasting method that does not use trend or seasonality? Seasonal Additive Method Calculates a seasonal index for historical data that does not…
What does a significant continuous by continuous interaction mean? First off, let’s start with what a significant continuous by continuous interaction means. It means that…
How do you find the confidence interval for a t test? When using the t-distribution to compute a confidence interval, df = n-1. What is…
What is made up data called? A data set (or dataset) is a collection of data. The data set lists values for each of the…