The phrase "a couple of variables" is correct and usable in written English.
It can be used when referring to two or a few variables in a discussion, analysis, or explanation.
Example: "In this experiment, we will consider a couple of variables that may affect the outcome."
Alternatives: "a few variables" or "two variables".
There are only a couple of variables you need to discuss and negotiate so that everybody gets more.
A couple of variables might influence your buying decision: the purity of the cast iron and the issue of seasoning it.
Why is it such a bad idea?A Taylor rule sets interest rates based on only a couple of variables, in this case the output gap and inflation.
In addition, as I mentioned, at least a couple of variables can credibly be scored in either direction for each election.
The originality of the finite element electromechanical formulation is that the system electrical state is fully described by only a couple of variables per piezoelectric patches, namely the electric charge contained in the electrodes and the voltage between the electrodes.
(The circuits are protected so damage does not occur. And to provide more insurance against problems, a staff member stays in the Experiment Gallery). In a more traditional interactive exhibit, a few components might be bolted to a table, with visitors able to change a couple of variables.
Hutchinson retired because of a knee injury aged 21 after coming through at Chelsea, but he came back and found a home at Wednesday following a couple of variable loan spells and working through mental health issues.
Here's a model that introduces a couple of latent variables for each person's interest in statistics and programming languages.
Previous optimisation studies have been limited to small samples sizes and only a couple of design variables.
A couple of the variables could move in favor of a conversion for more people in 2019.
Between the light source and the SMA entrance, band-pass excitation filters (mounted on a filter wheel) and a couple of linearly variable short-and long-pass filters (LVF-series Linear Variable Filters, Ocean Optics) are used to configure the spectral shape of the excitation light for our experimental requirement.
