The phrase "functions of improving" is correct and usable in written English.
It is used to refer to processes or activities that are intended to make something better or more efficient. For example, "The organization has been introducing new functions of improving its customer service in recent months."
Obviously the road map will be a function of improving data.
Prototypes are intended to fulfil the dual function of improving indoor thermal comfort conditions and providing substrate to grow edible and medicinal plants.
Most likely, the increased approval ratings are simply a function of improving goodwill toward a president who's about to leave office.
Peer review has a primary function of "improving the process and the coherence of scientific knowledge and its utility" [ 5].
However, it is a reasonable indication that the structure does not perform the desired function of improving the solar-cell performance.
Reductions in endemic villages (denominator) were a function of improving surveillance sensitivity and specificity as well as successes in breaking transmission within them none of which would have been possible without a robust logistical system.
Conducting research, documenting best practices or appraising data for any purpose was not identified as a function of improving community' health; however physicians as well as RNs described research as an important activity for their career development.
27 The IMPACT model is a comprehensive tool that can quantify changes in mortality as a function of improving treatments and the major "downstream" risk factors: cholesterol concentration, blood pressure, smoking, obesity, diabetes, and inactivity.
But only once before, in 2011, has the Republican-led Congress passed a bipartisan measure with the express purpose of improving the functioning of the Obamacare-regulated health insurance market.
