r_concepts_exercises.Rmd

---
title: "R concepts exercises"
author: "Alex Diaz-Papkovich"
date: "March 17, 2023"
output: html_document
---

Exercise 1: Create a data frame from the vectors provided. Name the columns "age", "sex", "location"

```{r Exercise 1}

v1 <- c("20","27","26","24","27","18","22","23","24","29")
v2 <- c("M","M","F","F","M","M","F","F","M","F")
v3 <- c("Ottawa","Ottawa","Montreal","Vancouver","Toronto","Halifax","Toronto","Calgary","Montreal","Toronto")

```

Exercise 2: Convert the columns for age, sex, and location to `numeric`,`factor`, and `factor`, respectively.

```{r Exercise 2}
```

Exercise 3: Add an observation to your data.

```{r Exercise 3}
```

Exercise 4: Half of the individuals have been assigned a treatment, and another half a placebo. Add a column of `logical` values called "treatment" using `cbind` or `cbind.data.frame`.

```{r Exercise 4}
v4 <- c(rep(TRUE,5), rep(FALSE,5))
```