How to simulate data and graphics that shows the world is warming

Here's a great analysis done in excel that shows how to recreate the infamous hokey stick that showed that world as warmed in the last century. Bottom line, when you eliminate data that does not fit your theory, your theory become "true". Here, they used random data created in excel, eliminated data sets that did not fit the warming and averaged the data that fitted the warming and by magic, it fits, remember, this is random data sets!. Click on the graph for more details.