'improve the rating' is correct and usable in written English.
You can use it when you're referring to improving the ratings of something, such as a movie, TV show, or even a company's stock. For example, you could say, "We need to find a way to improve the rating of our new show in order to keep viewers interested."
Under the tentative agreement, the National Academy of Sciences will conduct a nine-month study on ways to improve the rating method, and regulators will be required to reconsider their method based on the academy recommendations.
They will force landlords to upgrade the energy efficiency of hundreds of thousands of homes currently rated F and G to a minimum of E by 1 April 2018 – or face being unable to let them until they improve the rating.
Efforts to improve the rating system, and more specifically to help define the content in movies, video games and music for parents, came earlier this year in response to a Federal Trade Commission report that found that the media industry deliberately marketed such material to children as young as 12.
We propose a deviation adjustment method based on SVM to further improve the rating prediction accuracy.
The study offers a useful reference for project developers to understand the LEED rating systems and for regulatory bodies to improve the rating system.
The study offers a useful guidance for practitioners to achieve relevant certification levels and for regulatory authorities to continuously improve the rating system.
In the second and third years, although quality continued to improve, the rate of improvement slowed.
"Acupuncture can improve the rates of pregnancy and live birth.
Much has gone into infrastructure, which ought to improve the rate of productivity growth.
The National Science Foundation is betting on the new model to improve the rate of commercialization of the university research it finances.
An abrasive is occasionally added to the water to improve the rate of material removal, especially in finishing work.
