localized trendlines lsp 120 week 6 joanna deszcz
TRANSCRIPT
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Localized TrendlinesLocalized TrendlinesLSP 120Week 6Joanna Deszcz
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Let’s Interpret This Let’s Interpret This GraphGraph
What would a trendline look like?
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Let’s Interpret This Let’s Interpret This GraphGraph
What would a trendline look like?
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Let’s Interpret This Let’s Interpret This GraphGraph
But what aboutthis downwardtrend?
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Let’s Interpret This Let’s Interpret This GraphGraph
Maybe we shoulddo a trendline forjust this downwardsegment.
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Let’s Interpret This Let’s Interpret This GraphGraph
Is the Localized Trendline more accuratethan the overall trendline?
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An ExampleAn ExamplePercentcollegewomen.xls
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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
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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
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Adding a Localized Adding a Localized TrendlineTrendlineStep 3
◦ Add cells as a new series
◦ Category (X values) in First column
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Adding the New TrendlineAdding the New TrendlineStep 4
◦ Right-click on any of the new data points
◦ Choose Add Trendline from menu
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Trendline Dialog BoxTrendline Dialog BoxSelect Linear
TrendlineSelect
◦ Display Equation
◦ Display R-squared value
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The New Trendline The New Trendline
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Animation in PowerPointAnimation in PowerPointOnce the chart is complete…You can animate it with
PowerPoint to emphasize your points
Here’s how….
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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
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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”
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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
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Design your SlidesDesign your SlidesClick on the Design tab to add
custom or preformatted colors and designs to your slides