No it's not ridiculous what happened there...
Posted on: November 20, 2016 at 14:58:50 CT
bluetiger_ MU
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it's pretty simple. Your RPI is just a number that is basically 25% your own winning percentage, 50% your opponents winning percentage, and 25% your opponents opponents winning percentage. And your RPI rank is just how your number compares to other teams numbers. So a .755 RPI is higher than a .725, and lower than a .780 number.
What happened with Wisconsin, Texas, and Nebraska from last week to this week is this. Wisconsins number was just barely ahead of Texas to start with. All three of those teams actually had their RPI number go down after last week. Wisconsins went down by 1.251, a huge drop. Texas went down too, but only by .565. So they jumped Wisconsin easily in the RPI ranking. Nebraska started out #3, and their RPI score also dropped, but by only .240. So they jumped Wisconsin also and moved to #2 in the rank order.
The rank order of your RPI can change pretty dramatically when teams are bunched very close together.