Update options for downloading files

Author: jthmiller

02-starting-with-data.Rmd

@@ -41,7 +41,13 @@ We are studying a population of Escherichia coli (designated Ara-3), which were
 
 
 The metadata file required for this lesson can be [downloaded directly here](https://raw.githubusercontent.com/datacarpentry/R-genomics/gh-pages/data/Ecoli_metadata.csv) or [viewed in Github](./data/Ecoli_metadata.csv).
+#OR
+Use R to download the file by giving the *download.file* function the link address for the file, and where you want to put this file. If you see and error in response to *download.files*, you may need to change the directory 
 
+```{r, eval=TRUE,  purl=FALSE}
+download.file("https://ndownloader.figshare.com/files/2292169",
+              "~/Downloads/portal_data_joined.csv")
+```
 - First, make sure you are in the correct working directory by typing `getwd()`
 - Second, create a new subdirectory within this working directory called `data`
 - Third, move the just-downloaded `Ecoli_metadata.csv` file into this `data` directory