Posts

Introduction In my last linkedin Post I mentioned about how : Taking a sample from two groups from a population and seeing if there’s a significant or substantial difference between them is a standard task in statistics.

Introduction to databases We do realise that most of the softwares around are designed to solve a problem!. To better understand what databases are ,we need to first understand the problems that necessitated the advent of databases.

Motivation As a statistics tutor ,One of the question i always encounter is How do i apply statistics in real life , like Zvinoshanda here zvinhu izvi , well the answer is yes.

Introduction Brain Cancers include primary brain tumours which starts in the brain and almost never spread to other parts of the body and secondary tumours which are caused by cancers that began in another part of the body .

Introduction Hie there ,welcome back to one of my presentations ,This presentation will cover some basics of survival analysis, and the following series of tutorial papers can be helpful for additional reading:

doing survival analysis in R functions The core functions we’ll use out of the survival package include: Surv(): Creates a survival object. survfit(): Fits a survival curve using either a formula, of from a previously fitted Cox model.

Objectives Welcome to yet another R blog on data analysis and wranling using R At the end of this tutorial you will: understand the role of data wrangling understand the basic capabilities of dplyr acquire skills to perform common data wrangling using dplyr,stringr,tidyr and forcats packages What is data wrangling?

Instructor coordinates Department of Mathematics and Computational Sciences , University of Zimbabwe What is R? R is an open source programming language and environment. It is designed for data analysis, graphical display and data simulations.