STATS 499 Lecture Notes - Lecture 17: Time Series, Fallacy, Sample Size Determination
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In time series data, autocorrelation is a good/bad thing, because . Can use autocorrelation to predict the future. If time series data are used in regression, the statistical inference is harder. Hw 5 & 6 grades will be back soon. May not get a grade for hw 4 until after classes are over (but will get grades back before you leave campus so you can ask questions about it if needed) Don"t be discouraged if there are no positive comments on hw. Only questions and suggestions are given to help you improve. Next thursday the gsi will go over some common issues from essay writing. Main idea: correlations in a group may not be the same as the correlations for individuals. Some essays (homework 3) say a positive ecological correlation does not mean every woman with better education will get married later .
