tag:blogger.com,1999:blog-3721871707048712457.post6906789345596676243..comments2024-09-14T01:53:44.153-04:00Comments on Breaking BI: Predictive Analytics in Tableau Part 3: Validating the Accuracy of your PredictionsBreaking BIhttp://www.blogger.com/profile/02551920506874509998noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-3721871707048712457.post-53853049406142269702014-02-20T05:10:23.312-05:002014-02-20T05:10:23.312-05:00Thanks for your quick reply, I'll try to use t...Thanks for your quick reply, I'll try to use the rep function like you suggested and I'm looking foward to your future posts :-)Marlonnoreply@blogger.comtag:blogger.com,1999:blog-3721871707048712457.post-67964247828705298612014-02-19T08:41:35.144-05:002014-02-19T08:41:35.144-05:00Absolutely. We'll be dealing with similar con...Absolutely. We'll be dealing with similar concepts in a later post. However, if you want to jump ahead, all you have to do is return the R^2 as a variable in R, then return it as using the rep() function. Unfortunately, I'm not sure off the top of my head how to return the R^2 in the easiest manner.Breaking BIhttps://www.blogger.com/profile/02551920506874509998noreply@blogger.comtag:blogger.com,1999:blog-3721871707048712457.post-63769702690418985522014-02-19T05:58:47.393-05:002014-02-19T05:58:47.393-05:00Thanks your posts about working with R / Tableau, ...Thanks your posts about working with R / Tableau, they have been really useful. One question about validating your model; for linear regression you would often use the R squared value to determine if the model performs well. Is it possible to get the R^2 as a variable in R / Tableau, so you can show it in a dashboard? Thanks!Marlonnoreply@blogger.com