Sudarshana A SAbhaya

The Two-proportion Z-test is a statistical method used to determine if there is a significant difference between the proportions of two groups. It's commonly applied in A/B testing to compare the performance of two versions of a product, feature, or webpage (e.g., version A and version B).

Here's a breakdown of the concept using an A/B test example:

Scenario:

You are testing two versions of a landing page:

Version A (control group)
Version B (treatment group)

https://www.codeproject.com/Articles/33052/Visual-Representation-of-SQL-Joins

SELECT <select_list> 
FROM Table_A A
INNER JOIN Table_B B
ON A.Key = B.Key

Usuful Codes

R code to get the correct file from the folder

Code to be changed based on filtering criteria of the file

library(stringr)

To enable emoji, you must add the following line to your site's _config.yml file:

plugins:
- jemoji

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	# Adapted from https://stackoverflow.com/a/7267364/1036500 by Andrie de Vries

	# This is it: theme(axis.text.x = element_text(angle = 90, hjust = 1, vjust = 0.5))

	library(ggplot2)

	td <- expand.grid(
	hjust=c(0, 0.5, 1),
	vjust=c(0, 0.5, 1),
	angle=c(0, 45, 90),