Mathematical Concepts

What is Linear Regression?

Linear regression is a basic and commonly used type of predictive analysis.  FYI, Predictive analytics involves extracting data from existing data sets with the goal of identifying trends and patterns. These trends and patterns are then used to predict future outcomes and trends. Predictive analytics is the branch of the advanced analytics which is used to make …

MS Excel Statistical Functions for Central Tendency

AVERAGE Provides an estimate of the mean or expected value of the data. To use it, supply the range of data you want the average of “=AVERAGE(data range).” For example, if you wanted the average of the observations of the data in cells A1 through A10, you might enter =AVERAGE (A1:A10) into cell A12. MEDIAN …

Uni-variate distribution relationships

In statistics, a univariate distribution is a probability distribution of only one random variable. This is in contrast to a multivariate distribution, the probability distribution of a random vector (consisting of multiple random variables). Below is the quick overview of useful univariate relationships for aspiring data science lovers.