team tree assignment8.Rmd

---
title: "TEAM TREE ASSIGNMENT 8"
author: "Xiaowen Chen"
date: "12/11/2019"
output: html_document
---

```{r}
#This video was built by This video was built by Fernando Amaral-Carnauba,
#Han Wang, Leonardo Restrepo,
#Leona Zhu, Xiaowen(Susan) Chen.
#Please click (https://drive.google.com/open?id=1r7lZ9QuZdRcyQuIwwFabT_w3OsQcda1P) to open the link
```