Kruskal Wallis H Test What is Kruskal Wallis H Test Kruskal Wallis H test is a kind of non parametric test which means that there is no presence of parameter and parent population from which sample has been taken is not normally distributed. Kruskal Wallis H test is also known as non parametric version of […]
statistics
Walkthrough of Statistical Analysis in Data Science
What is Statistical Analysis in Data Science? This blog starts from definition to explaining and experimenting with different part of statistics. Introduction Statistics is very important field and there are lots of definitions and use cases available and noting few. Statistics is a systematic collection of data on measurements or observations, often related to demographic […]
Exploratory Data Analysis in R with Tests
Exploratory Data Analysis in R Hello everyone welcome to our another blog of in R where we will perform various statistical test on Titanic dataset. Code to Read Titanic Dataset data = read.csv("E:/code/Titanic Survival Practice/train.csv") df = data.frame(data) summary(df) PassengerId Survived Pclass Name Min. : 1.0 Min. :0.0000 Min. :1.000 Length:891 1st Qu.:223.5 1st Qu.:0.0000 […]
T-Test for Statistics and Brief Introduction in R
t- test History About Student t- Distribution t-static: t-static was first discovered by Englishman W.S Gosset with his nick name student who published it in 1908 in his research paper entitled " The probable error of the sample mean". Therefore, this t-statistic is called student’s t-statics. Later on Prof. R.A Fisher developed and defined the […]