Dataset for Cochran-Mantel-Hanzel Test

Below is the script to create the table and dataset I used. This is just test data and not copied from anywhere. USE [yourdb] GO /****** Object: Table [dbo].[DrugResponse] Script Date: 6/12/2017 6:45:46 AM ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIERl ON GO SET ANSI_PADDING ON GO CREATE TABLE [dbo].[DrugResponse]( [seqno] [int] IDENTITY(1,1) NOT NULL,… Continue reading Dataset for Cochran-Mantel-Hanzel Test

DBA · Statistics with R and SQL

Sampling Distribution and Central Limit Theorem

In this post am going to explain (in highly simplified terms) two very important statistical concepts – the sampling distribution and central limit  theorem. The sampling distribution is the distribution of means collected from random samples taken from a population. So, for example, if i have a population of life expectancies around the globe. I draw… Continue reading Sampling Distribution and Central Limit Theorem


Days 1,2 and 3 of PASS Summit 2016

Today is Thursday, October 27th already. For some of us the summit begins monday – with precons and PASS Volunteering related meetings on Tuesday. For most other attendees the first day was Wednesday. I arrived in the afternoon on Sunday with six other friends from Louisville,including my good friend Chris Yates. I have been travelling to… Continue reading Days 1,2 and 3 of PASS Summit 2016