The phrase "as a first proxy" is correct and usable in written English.
It can be used in contexts where you are referring to an initial representative or intermediary in a process or situation.
Example: "We will use the data from the survey as a first proxy for understanding customer preferences."
Alternatives: "as an initial representative" or "as a preliminary indicator".
In addition, we use daily relative turnover as a third proxy for liquidity, as it brings trading activity aspects to the analysis.
Here, in addition to clutch size, we used level of brood reduction in successful nests (those that escaped of predation and produced at least one fledgling) as a second proxy of level of sibling competition for parental attention.
We also used the DNPR to identify previous hospital diagnoses for alcoholism as a second proxy for heavy alcohol use (ICD-8 code: 303; ICD-10 code: F10; Giovannucci et al, 1995; Glynn et al, 1996).
More specifically, it was larger than 0.4 for 55 (83%) of the NILs with median value 0.48 and 95% reference range [0.32-0.69] [0.32-0.69]at mobile phoneshowingcan be used as a firsthatder proxy to study the distribution of the resident foreign population even at a finer spatial resolution.
Because QT prolongation is frequently associated with blockade of the human ether-à-go-go related gene (hERG) channel, the International Conference on Harmonization (ICH) S7B guideline[ 1] recommends an hERG inhibition assay as the first proxy for identifying such potential risk.
With father's educational achievement used as the first proxy for one's family status origin (which directly shapes one's non-certifiable qualifications), joint-channel users reported the highest level of father's education—on average 0.5 years more than informal-channel-only users, and 0.9 years more than formal-channel-only users.
If the index AMI event in 2010 occurred in individuals with no clinical history of AMI during the previous 12 years, it was categorized as a first AMI, as a proxy for true first AMI.
We use newspaper subscriptions as a proxy first stage, finding that access to new post office services did increase newspaper circulation.
This re-analysis that pooled data from 20 studies on cervical cancer found that the risk of cervical cancer increases as the square of time since first intercourse, using first intercourse as a reasonable proxy for first exposure to HPV (Plummer et al, 2011).
