Localized Trendlines LSP 120 Week 6 Joanna Deszcz.
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Transcript of Localized Trendlines LSP 120 Week 6 Joanna Deszcz.
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