Statistics
📄 30 ArticlesStory of Bias, Variance, Bias-Variance Trade-Off
Why do we predict?We predict in order to identify the trend of the future by using our sample data set. […]
SQL and Statistics Interview Questions | Day 7
SQL and Statistics Interview Questions – Day 7 has solved questions from basic statistics, SQL, and a case study. If […]
Common Statistical Tests
There are various statistical tests in Data Analysis, following are the tests and their use:-1. Correlation -> This test looks […]
50 Statistics Questions
Q1. What is a Sample? A. A data sample is a set of data collected and the world selected from a statistical population by […]
Statistics Interview Questions
Q1. What is a Sample? A. A data sample is a set of data collected and the world selected from a statistical population by […]
Confusion Matrix in Data Science, meaning and example
What is Confusion Matrix?Confusion Matrix is a performance measuring technique for ML Classification model. Why do we need Confusion Matrix? […]
What is the difference between forecasting and prediction?
Forecasting and Prediction are two different things. You always forecast weather, but never predict the weather. Forecasting is nothing but […]
Correlation and Collinearity explained in layman terms
Correlation tells you have two numerical variables relate to each other. It will tell you whether data points that have […]
One Hot Encoding – Feature Engineering
So, I just started solving the latest Hackathon on Analytics Vidhya, Women in the loop . Be it a real-life […]
Linear, LASSO, Elastic Net, and Ridge Regression in Layman terms (R) with complete code – Part 1
Linear, LASSO, Elastic Net, and Ridge Regression are the four regression techniques which are helpful to predict or extrapolate the […]