Fishing for DataFishing for DataQELP ClamsQELP Clams

Developed by Tom SteinkeDeveloped by Tom Steinke

July 2003July 2003

Tutorial at a Glance

• Searching for Data

• Importing Data into Fathom

• Modeling Data in Fathom

Searching for DataGoogle Search Engine

Type in www.google.ca and hit the enter key

Searching for DataGoogle Search Engine

Type in QELP and left click on the Google Search button

Searching for DataQELP Home Page Link

Left click on the QELP Home Page link

Searching for DataQELP Data Page Link

Left click on the QELP Data link

Searching for DataQELP Data Page

Left click on the Liner Scatterplots link

Searching for DataQELP Clam Data Link

Left click on the DataSet#001 link

Searching for DataQELP Clam Data Page

This page contains the data we want

Importing Data Into FathomE-Drop

Open a blank Fathom document

Left click, hold and drag the e next to the URL and drag it up into the Fathom document

Importing Data Into FathomE-Drop

You should see a collection in your Fathom document. A collection contains or holds your data.

Modeling Data In FathomCase Table

Left click on the New Case Table icon

Now left click in the open white space of your document. You should see a Case Table.

Modeling Data In FathomNew Graph

Left click on the New Graph icon.

Now left click in the open white space of your document. You should see an Empty Plot.

Modeling Data In FathomGraphing

Left click, hold and drag the first attribute over to the horizontal axis of the Empty Plot.

Modeling Data In FathomGraphing

You now have a Dot Plot showing the distribution of clam widths. Each dot is a clam

Modeling Data In FathomGraphing

Left click, hold and drag the first attribute over to the vertical axis of the Empty Plot.

Modeling Data In FathomGraphing

You now have a Scatter Plot showing the relationship between the clam widths and lengths.

Modeling Data In FathomLine of Best Fit

Left click on Graph. Now left click on Movable Line

Modeling Data In FathomLine of Best Fit

You now have a brown Movable Line as well as its equation.

To enlarge the graph, left click, hold and drag the lower left hand corner of the frame.

Modeling Data In FathomLine of Best Fit

Modeling Data In FathomLine of Best Fit

Try grabbing (left click and hold) and dragging either end and the middle of the brown Movable Line. Notice how the equation automatically updates itself. Move the Movable Line so that you have your line of best fit.