Statistics&R

Hypothesis Testing: One and Two Tail Test of Population Mean with Known Variance Examples in R

Lower tail test An analyst is interested in the ability of workers to assess the difficulty of a test they have taken. This test was...

Solving a Linear Programming Problem in R

Although R is not the best tool to solve LP problems, for the ones who already know and use R, I solve one the problems that I solved in...

Example of Visualizing Categorical Variables in R

R Markdown library(ggplot2) library(dplyr) ## ## Attaching package: 'dplyr' ## The following objects are masked from 'package:stats': ##...

Technical Stock Charts using Quantmod and R

EDA COSKUN