Localized TrendlinesLocalized TrendlinesLSP 120Week 6Joanna Deszcz

Let’s Interpret This Let’s Interpret This GraphGraph

What would a trendline look like?

Let’s Interpret This Let’s Interpret This GraphGraph

What would a trendline look like?

Let’s Interpret This Let’s Interpret This GraphGraph

But what aboutthis downwardtrend?

Let’s Interpret This Let’s Interpret This GraphGraph

Maybe we shoulddo a trendline forjust this downwardsegment.

Let’s Interpret This Let’s Interpret This GraphGraph

Is the Localized Trendline more accuratethan the overall trendline?

An ExampleAn ExamplePercentcollegewomen.xls

Adding a Localized Adding a Localized TrendlineTrendline

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 Adding a Localized TrendlineTrendlineStep 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 Adding a Localized TrendlineTrendlineStep 3

◦ Add cells as a new series

◦ Category (X values) in First column

Adding the New TrendlineAdding the New TrendlineStep 4

◦ Right-click on any of the new data points

◦ Choose Add Trendline from menu

Trendline Dialog BoxTrendline Dialog BoxSelect Linear

TrendlineSelect

◦ Display Equation

◦ Display R-squared value

The New Trendline The New Trendline

Animation in PowerPointAnimation in PowerPointOnce the chart is complete…You can animate it with

PowerPoint to emphasize your points

Here’s how….

PowerPointPowerPointOpen a blank presentationAdd a new slide

◦Home – Slides – New Slide Copy your chart from Excel and

paste it on the slideYou may delete the title slide if

you wish

Add AnimationAdd 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…Continued…Choose Effect OptionsChoose Chart Animation tabSelect 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 SlidesDesign your SlidesClick on the Design tab to add

custom or preformatted colors and designs to your slides