The phrase "an internal one" is correct and usable in written English.
It can be used to refer to something that is within a particular system, organization, or context, often contrasting it with external elements.
Example: "The committee decided to conduct an internal one to assess the team's performance."
Alternatives: "a domestic one" or "an inside one".
Any clustering performance measure, such as either an internal one relying on the data itself or an external based on the availability of ground truth information, can be employed to drive the evolving procedure.
He identifies two perspectives that help interpret the actions of the characters: one that comes from external forces, larger than and beyond the control of the characters, and an internal one that focuses on their emotional forces.
"Right now, her role as an adviser is probably more of an internal one rather than an external one," Speaker Silver said.
The "park" Beyoncé discusses in that launch video is both a physical place and an internal one: a place to draw on when you need to dig deep.
Speaking to HuffPost, Bangladesh economist MM Akash criticized Yunus' proposal as an "external solution" relying on Western companies, rather than an "internal one" accomplished through government or trade unions.
While Trump stayed completely silent on the issue of Ukraine, Putin said that the conflict was an internal one for the country and that more pressure should be put on Kiev to agree on Russian terms.
The very first tweet was an internal one that Jack sent out at 12 50 p.m. on March 21, 2006: "just setting up my twttr".
The spectra were recorded in reflector mode in a mass range from 800 to 4000 Da with an internal one-point-calibration on the autolytic fragment of trypsin (mono-isotopic (M+H)+ m/z at 2211.104, signal/noise ≥10).
Following one use, the syringes become automatically disabled due to the presence of an internal one-way valve.
In this paper, the possibility of substituting the external shades with an internal ones using high reflectivity materials was studied through experimental tests and simulation validations.
Goat Simulator started as a joke prototype from an internal one-month game jam held by Coffee Stain Studios in January 2014, after completing work for their game Sanctum 2. The game was described by the lead developer Armin Ibrisagic as "an old school skating game, except instead of being a skater, you're a goat, and instead of doing tricks, you wreck stuff".
