'Dependent var' diaporamas de présentation

Scatterplots and Correlation

Scatterplots and Correlation. two quantitative variables. Type of Coffee and amount of Caffeine. Interested in the relationship between them. Form. Direction. Strength. Dots close to a line. Dots really spread out.

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Relationships between Variables

Relationships between Variables. Relationships between Variables. Two variables are related if they move together in some way Relationship between two variables can be strong, weak or none at all

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The Conditional Effect of Interest Groups on Undervalued Exchange Rates

The Conditional Effect of Interest Groups on Undervalued Exchange Rates. David Steinberg University of Oregon. The Puzzle. Undervalued Exchange Rates are Beneficial Increases economic growth (Dollar 1991; Rodrik 2008) Reduces unemployment ( Frenkel & Ros 2006)

226 views • 13 slides

Partial Equilibrium Framework

Partial Equilibrium Framework. Empirical Evidence for Argentina (1980-2002). Dependent Variable: CRECX Method: Least Squares Date: 04/24/02 Time: 18:25 Sample(adjusted): 1980:02 2002:02 Included observations: 265 after adjusting endpoints

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WHAT IS SCIENCE?

WHAT IS SCIENCE?. Interest Grabber. Chapter 1 Key concept: What is the goal of science?. organized method. SCIENCE: Is an ________________ Uses_______ to ______ events ______and organizes ______ Deals only with __________ Looks for _______ and __________. evidence explain.

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Water & pH

Water & pH. Ch. 3 Water & the Fitness of the Environment. Acids & Bases. ACID : substance that release H+ into solution BASE : substance that releases OH- into solution pH : Measurement of H+ ions in solution pH Scale: 1-14 Acids : 1-6 Neutral : 7 Bases : 8-14.

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Econometrics

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2.2 The nature of the error term

2.2 The nature of the error term The error term is the difference between a realization of the r.v. under study and its expectation (that is, its mean value, which is not known ) It includes: Intrinsic randomness Measurement errors Omitted variables

210 views • 2 slides