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1. curves curves Public

   R code to (i) import a CSV file of student grades, and (ii) implement various curving mechanisms and their average

   R

2. irr irr Public

   Compute the Internal Rate of Return for an Investment

   R

3. standardize standardize Public

   R Code to Normalize a Set of Columns in a Data Frame

   R

4. weightedaverage weightedaverage Public

   Multiple ways to calculate the weighted average of a variable for each level of a group variable (e.g. weighted average for men, weighted average for women).

   R 1

5. binaryclustering binaryclustering Public

   Generate a spatially autocorrelated dummy variable using an nXn spatial multiplier. User input: autocorrelation coefficient, spatial weights matrix, and a dummy variable

6. varianceinflationfactors varianceinflationfactors Public

   R code to compute variance inflation factors for an "lm" object

   R