---
title: "start_finder function"
output: rmarkdown::html_vignette
vignette: >
  %\VignetteIndexEntry{start_finder function}
  %\VignetteEngine{knitr::rmarkdown}
  %\VignetteEncoding{UTF-8}
---

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

# start_finder

## Overview
Finds R-based (1-indexed) positions where 1s begin episodes in a 0/1 vector (1 after 0 or at start). Useful for identifying episode starts.

## Inputs
- **df**: Dataframe whose first column is an integer vector of 0/1

## Returns
- **start_indices**: Tibble of episode start positions (R indices)

## Run documented examples
```{r}
example(start_finder, package = "cgmguru", run.dontrun = FALSE)
```