---
title: "Onboarding Homework"
author: "Your Name Here"
institute: "Old Dominion University"
format:
  html:
    theme: united
    code-tools: true
    code-fold: true
    code-summary: "Code"
    code-copy: hover
    link-external-newwindow: true
    tbl-cap-location: top
    fig-cap-location: bottom

self-contained: true
editor: source
---

```{r setup, include=FALSE}
# INCLUDE THIS AT THE START OF EACH ASSIGNMENT
# DO NOT EDIT THIS

knitr::opts_chunk$set(fig.align = 'center')
knitr::opts_chunk$set(out.width = '90%')
knitr::opts_chunk$set(results = 'hold')
knitr::opts_chunk$set(fig.show = 'hold')
knitr::opts_chunk$set(dev='svg')
knitr::opts_chunk$set(error = TRUE)
par(mar = c(4.1, 4.1, 1.1, 4.1))
```

## Question 1: Setup Check

**(5 Points)** The chunk below checks your setup. Do not edit it; just make sure it runs when you render. Full credit requires the output to show `.Rproj found: TRUE`, `CLAUDE.md course block: INTACT`, and `dagitty installed: TRUE`.

```{r}
#| code-fold: false
# --- Setup check: do not remove or edit this chunk ---
canon_url <- "https://alexcardazzi.github.io/econ708a/CLAUDE.md"

# Look for the .Rproj in this folder first, then one level up
rproj_ok <- length(list.files(".", pattern = "\\.Rproj$")) > 0 |
            length(list.files("..", pattern = "\\.Rproj$")) > 0

# Same idea for CLAUDE.md: take the first location where it exists
claude_path <- c("CLAUDE.md", "../CLAUDE.md")
claude_path <- claude_path[file.exists(claude_path)][1]

claude_status <- if(is.na(claude_path)) {
  "MISSING"
} else {
  tryCatch({
    local_md  <- readLines(claude_path, warn = FALSE)
    remote_md <- readLines(canon_url, warn = FALSE)
    if(identical(local_md[seq_along(remote_md)], remote_md)) "INTACT" else "MODIFIED"
  }, error = function(e) "COULD NOT CHECK (no internet?)")
}

dagitty_ok <- requireNamespace("dagitty", quietly = TRUE)

cat(".Rproj found: ", rproj_ok,
    "\nCLAUDE.md course block: ", claude_status,
    "\ndagitty installed: ", dagitty_ok, sep = "")
```

## Question 2: Screenshot

**(5 Points)** Take a screenshot of your RStudio window that shows all three of the following:^[On Windows: `Win + Shift + S`. On Mac: `Cmd + Shift + 4`. Save the image file in the same folder as this document.]

- Your project name in the **top-right corner** of RStudio (this proves the `.Rproj` is actually open).
- The **Terminal tab** (bottom-left) with Claude Code running in it.
- In that terminal, Claude Code's answer to this exact prompt: *"In one sentence: what folder are you working in, and what files do you see?"*

Embed the screenshot below by replacing the file name with your own:

![My RStudio setup](your_screenshot_file_name.png)

## Question 3: Report

### a. The Data


### b. The Effect of Race


### c. Causal or Not?


### d. Process Reflection