"a preliminary data" is correct and usable in written English.
You can use it when referring to data or information that is gathered initially and may change or be updated over time. For example, "My research team collected a preliminary data set and will continue to update it as our study progresses."
These tests are advantageous and practical for clinicians to provide a preliminary data in large populations.
The results currently obtained and a preliminary data analysis will be presented in the following.
A preliminary data for anatase powder sprayed with one set of operational parameters onto stainless steel substrate are also shown.
We present a promising study on a preliminary data set that demonstrates some of the possibilities in this area.
To evaluate our similarity measure, a preliminary data set of sentence pairs is constructed with human similarity scores provided by five participants.
Finally, the AUC of erythrocyte SOD1 activity was only 0.686, and our study is a preliminary data with a limited internal and external validity.
This is a preliminary data-gathering project that presents interesting ideas that should be further evaluated in a more rigorous study, ideally convening disaster communications experts from a variety of organizations.
From a frequentist perspective, techniques for fitting time series models use a preliminary data-set transformation in order to get stationarity and therefore important information about the dynamic system can be lost.
To obtain a multivariate preliminary data survey a "Principal Component Analysis" of all 95 lipid species and Chol-moieties integral index was performed in order to assemble highly correlated lipid species into common factors.
Some of these features have previously been reported [ 5, 9]; however, taken as a whole, our preliminary data point towards pathology consistent with a localized infarction reaction.
For their own study, which was not published or peer-reviewed at the time of the announcement, the Bicep team estimated dust levels after reading numbers off a slide of preliminary data the Planck scientists had shown at a conference.
