Create a Business Intelligence Apps in SharePoint 2013

Using Visual Studio LightSwitch, You can develop Business Intelligence Apps in SharePoint environment.

You need not write a lot of code. You can just concentrate only the implementation of your Business logic.

LightSwitch simplifies the development of business applications by using data entities and screens

You must install .NET framework and Silverlight 5 in order to run the LightSwitch App.

If you want to create a BI App in SharePoint 2013. Here is the Example from MSDN:

http://msdn.microsoft.com/en-us/library/vstudio/jj969621.aspx