Book

Regression Analysis Understanding And Building Models Using Excel

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What this book knows

Regression analysis is a learnable craft: build, test, and interpret predictive models in Excel using real business data.

Sex: Absent
Work: Primary
Learning: Primary
Religion: Absent

mind-and-cognitionwork-as-meaningeducation-and-formation

mind-and-cognition

The single line that gives us the smallest sum of the squared deviations is the best line according to the OLS method.
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When a significant time pattern is found in the error terms, serial correlation is indicated — a violation of OLS assumptions.
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education-and-formation

The more complete model explains 96.6% of the variation in Women's Clothing Sales — a dramatic improvement over the simpler model.
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Once you get to the 'Data Analysis' dialog box, the process of doing regression is the same in Excel 2003, 2007, and 2010.
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work-as-meaning

If consumers are unemployed or fear losing jobs, purchasing behavior changes — A&F discretionary goods suffer in high-unemployment periods.
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You will work through building regression models for Miller's Foods' market share, considering three competing models using AIC and SC criteria.
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Illuminates

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