exercise1.Rmd

---
title: "Statistical methods for assessing agreement between two methods of clinical measurement"
author: "Oxford IHTM Class 2024"
date: "`r Sys.Date()`"
output: 
  rmarkdown::html_document:
    toc: true
    keep_md: true
---

```{r, include = FALSE}
knitr::opts_chunk$set(
  collapse = TRUE,
  comment = "#>"
)

library(tidyverse)
```

```{r}
# Read the ba.dat dataset from the GitHub URL provided
ba_data <- read.table(file="https://raw.githubusercontent.com/OxfordIHTM/teaching_datasets/main/ba.dat", header=T, sep=" ")

# create function for Mean of the per subject measurements
calculate_mean <- function(x,y) {
  avrg = (x+y)/2
  avrg
}
ba_data$mean <- calculate_mean(ba_data$Wright,ba_data$Mini)

# create function for Difference between the per subject measurements
calculate_difference <- function(x,y) {
  diff = x-y
  diff
}
ba_data$difference <- calculate_difference(ba_data$Wright,ba_data$Mini)

# create function for Mean of the difference between the per subject measurements

```