Matching case-controls in R using the ccoptimalmatch package
The R Environment | Setup | Install the ccoptimalmatch package | Load the ccoptimalmatch package | Datasets | Prepare the dataset to be analyzed | Raw data | Step 1: Exact Matching on several variables | Step 2: Create artificial observations and select the range of variables | Step 3: Create the variables "total controls per case" and "frequency of controls" | Step 4: Order variables | Analysis of the data | Extensions and Summary