Quantitative analisis and prediction model

Hello, can you explain to me how is made quantitave analisis of a bunch of data and which software do you use to create a prediction model of an event?
I do data mining, I have mined a lot of data and information, which software could I use to build the prediction model of an event? Any paid software would you suggest to me?
I want that this software will build prediction model of an event, trought regression analisis