Localized Trendlines LSP 120 Week 6 Joanna Deszcz

Let’s Interpret This Graph What would a trendline look like?

Let’s Interpret This Graph What would a trendline look like?

Let’s Interpret This Graph But what about this downward trend?

Let’s Interpret This Graph Maybe we should do a trendline for just this downward segment.

Let’s Interpret This Graph Is the Localized Trendline more accurate than the overall trendline?

An Example Percentcollegewomen.xls

Adding a Localized Trendline Step 1 Create and xy scatter plot of the data Is a localized trendline needed? Yes if… Low R2 value Trendline doesn’t fit the data points Trend changes direction

Adding a Localized Trendline Step 2 Remove the original trendline Select and copy the data that represents the newest trend Click on the chart to activate it Choose Paste Special from the Paste menu

Adding a Localized Trendline Step 3 Add cells as a new series Category (X values) in First column

Adding the New Trendline Step 4 Right-click on any of the new data points Choose Add Trendline from menu

Trendline Dialog Box Select Linear Trendline Select Display Equation Display R- squared value

The New Trendline

Animation in PowerPoint Once the chart is complete… You can animate it with PowerPoint to emphasize your points Here’s how….

PowerPoint Open a blank presentation Add a new slide Home – Slides – New Slide Copy your chart from Excel and paste it on the slide You may delete the title slide if you wish

Add Animation Click on the chart to activate it Click on the Animation Tab Choose Custom Animation Click Add Effect Entrance Choose an effect Can modify speed and place of entrance as well Click on drop down arrow next to “Content 1 Placeholder”

Continued… Choose Effect Options Choose Chart Animation tab Select Group Chart – By Series Option View slide show to see results Chart parts should come in in stages First chart Second, original data Third, trendline and localized data, predition, shapes

Design your Slides Click on the Design tab to add custom or preformatted colors and designs to your slides