Table of Contents
The data are measurements made on the stomach contents of Atlantic Cod. The data set described herein is provided in a colon-delimited ASCII text file format. This is a small sample from a larger data set with more stomach contents and more variables.
The data set contains the following variables:
| region - |
| shipType - The type of ship (e.g., commercial versus research). |
| shipID - Unique ship identifier. |
| trip - Trip identifier; unique within a region. |
| set - Set identifier; unique within a particular ship on a particular trip. A set is, e.g., one set of a fishing net. |
| fishID - Unique fish identifier. |
| fishLength - Length of a fish (mm). |
| preyMass - Weight of lump from cod stomach (grams). |
| preyType - Species of lump from cod stomach. Special value Empty means no lumps found in stomach. Rare species gathered together under special label Other. |
The data set is provided as a colon-delimited ASCII text file called cod.txt.
The file CodMeta.xml provides a StatDataML description of the data set.
This data set is provided in a plain text format. The task in this exercise is to produce a database design to store these data in third normalised form.