Etc1000 10 Predictive Analytics Estimation

Summary

This video introduces the idea that we use a sample to How we design specific regression models that allow us to capture and forecast a series. An introduction to the importance of DATA, and how data needs to be processed properly to provide useful INFORMATION which ... Correlation is a measure for discovering relationships between a pair of numerical variables. This video shows some of the basic theory underlying the use of things confidence intervals in Learn about what a confidence interval means, and how we construct them for Are differences in the mean across groups due to chance or some systematic underlying difference? When we model an outcome using regression, how do we know whether we have a good model? This video explores how we test for significant differences in proportions of a characteristic of interest across groups. Data Science Wednesday is produced by Decisive Data, a data Learn the basic theory and jargon of hypothesis testing.