Health Sciences 3801A/B Lecture Notes - Lecture 4: Tachykinin Receptor 1, Memory Span
1 Jun 2016
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Multiple regression is an extension of simple regression to use two or more independent variables : till now o. A slope indicates the effect of x above + beyond the effect of. Xs in the equation (important) i. e. contribution of x. Other above + beyond what the other xs are doing (team bringing on a new, better player will be improving) A ballantine diagram is a useful way of representing the relationships b/w variables : conceptualizing, 2 x, 1 y relationships b/w variables. Each variable is represented by a circle . The relationship b/w the variables is represented by the areas of overlap b/w circles (related; common; ex. age + vocabulary) interrelated. If drawing a picture, pull apart (trying to isolate a particular factor, i. e. controlling for other factors, Simple regression predicting y on the basis of : lots of other variables just not studying them (greyed out ) Overlap / relationship o: proportions = 1 ii.
