The phrase "a matter of selecting" is correct and usable in written English.
It can be used when discussing the process or importance of making choices or decisions.
Example: "Choosing the right candidate for the job is not just about qualifications; it's a matter of selecting someone who fits the company culture."
Alternatives: "a question of choosing" or "an issue of picking".
In many years, logging selection is a matter of selecting from among the best of what is left from more preferable jobs.
"It was a matter of selecting those that helped tell our story.
It was then just a matter of selecting the best ones and matching them to appropriate chapters.
And given the constraints — limited page space, the demands of timeliness, the ever-flowing current of news — it isn't simply a matter of selecting the best individual letters.
Ultimately, the choice of a new executive director should be a matter of selecting a candidate who can encourage players to think about acting collectively and sacrificing in the name of unity.
The decision for one learning method vs. another is then not simply a matter of selecting the one that reliably produces good classifiers across training sets (small variance) or the one that can learn classification problems with very difficult decision boundaries (small bias).
The uncertainty surrounding the presidential race was hard to ignore this morning when all but one of the 31 members of the Texas Senate met ostensibly on a housekeeping matter of selecting a secretary.
Obtaining a list of differentially expressed genes for a selected dataset is a simple matter of selecting the contrasting groups of samples, as well as changing the default normalisation and filtering options if required.
From there, it is a simple matter of selecting the desired option, and inputting a motor speed.
It wasn't a matter of simply selecting the wrong address, because I actually punched in a completely new one.
On the vital matter of selecting federal judges and Supreme Court justices, an area where the attorney general wields great influence, it seems clear that under Mr. Ashcroft's leadership, moderate judges would have little chance of appointment.
