update the README

README.md

@@ -5,17 +5,6 @@
 [![codecov](https://img.shields.io/codecov/c/github/ihmeuw-msca/raking)](https://codecov.io/gh/ihmeuw-msca/raking)
 [![codacy](https://img.shields.io/codacy/grade/ae72a07785f5469eac234d1f6bdf555f)](https://app.codacy.com/gh/ihmeuw-msca/raking/dashboard?utm_source=gh&utm_medium=referral&utm_content=&utm_campaign=Badge_grade)
 
-# Python Template Package
+# Raking
 
-PyPkg is a template package to guide you setup your own Python package.
-It can be cloned and used as a starting point for your project.
-We also want to use this documentation to help users understand key concepts
-when building a Python package, include
-
-* Project organization
-* Style guide
-* Testing and documentation
-* Continuous integration and deployment
-
-It will bring standards, consistency and best practices into your projects and
-make collaborations easier.
+Raking is a well known method in survey sampling to adjust the cases in a contingency table to match the known marginal totals. This package has been developed to rake 1, 2 and 3D contingency tables.