Research in bio-engineering & bio-materials... enthusiastic about data science and programming.
For new users:
Please take a look at [How to make a great R reproducible example](https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example), to modify your question, with a smaller sample taken from your data (check
?dput()). Posting images of your data or no data makes it difficult to impossible for us to help you!