Moran’s I (both global and local) is a measure of spatial autocorrelation. One form of its equation looks like this: Note the residual and spread terms. As such, Moran’s I can be sensitive to outliers. The following example demonstrates this point: You can map the simulated data as follows: The p-values from the Monte Carlo […]
Archive for category: R
The data used in this example are 2010 ACS Census data of per capita income and fraction of population with a Bachelor’s degree or greater. The data file can be downloaded here.
Data for this exercise can be downloaded here: ACS2010.
This is an example from the book Statistics (3rd Edition by Freedman, Pisani and Purves) where the authors remind the reader “…even if the association [between variables] looks linear… [does] the regression make sense?”. As an example, they show how the correlation between area and perimeter is strong, yet this regression is “…silly. The […]
The following example assumes a stationary point process. This example does NOT assume a stationary process.
You can download data for this example here.