"collecting relevant data" is grammatically correct and can be used in written English.
Example: Researchers are currently in the process of collecting relevant data from the study participants to analyze the impact of the new program.
A data collection form was developed for systematically collecting relevant data from the medical records of participating patients.
What I always hope my clients will learn from our therapeutic encounters is how to become better "life scientists": first in identifying the problem or goal, collecting relevant data, interpreting it and then developing and testing new strategies for change.
After collecting relevant data using the topic-filtered web harvesting, the data is analyzed.
The first ICCE Learning Analytics workshop in 2014 demonstrated the effectiveness of a focused questioning session for collecting relevant data beyond the content of the papers themselves.
The Rim Fire demonstrates how the better understanding of their initiation during storm events and technological advances in collecting relevant data enabled quantification of post-fire debris flow risk.
They are currently collecting relevant data that, the EPA said, "is necessary before determining next steps".
The development of a comprehensive health systems framework, key tracer indicators and relatively simple data collection tools in this intervention enabled middle level managers to feasibly collect relevant data rapidly and to identify possible bottle necks to optimal programme performance.
They may include assays, interventions, or manipulations--whatever techniques you used to collect relevant data.
JW reviewed the charts, collected relevant data, wrote the initial draft of manuscript, and participated in the manuscript revision.
