The phrase "an empirical method" is correct and usable in written English.
It can be used when referring to a systematic approach based on observation and experimentation in research or analysis.
Example: "In our study, we employed an empirical method to gather data and validate our hypotheses."
Alternatives: "a research-based approach" or "a data-driven technique".
In this paper, we propose an empirical method to evaluate such conservation intervention.
We developed an empirical method to evaluate soils based on functionally defined effective dissolution rates.
It argues that the attempt to produce social change is inherently a questioning of the functions of society itself and serves as an empirical method of inquiry.
Matrix algebra was also associated with the advent of input-output analysis, an empirical method of reducing the technical relations between industries to a manageable system of simultaneous equations.
With this concern an empirical method has been entertained which is based on empirical equations proposed by Nakayama.
Guided by this analysis, we then develop an empirical method to measure an individual's propensity to attend to attributes.
The results also provide an empirical method to determine the optimum ΔV solution for the provided problem.
In this article, using a low-dimensional network capable of learning all the Tomita data sets, we present an empirical method for testing whether the language induced by the network is regular.
Prior to beam commissioning, phase-space distributions of extracted carbon beams from the synchrotron were deduced by using an empirical method.
This study proposed an empirical method to estimate carbon dioxide (CO2) emission which was generated from highway construction based on four real projects in southwest region of China.
This paper describes an empirical method, called Rockfall Risk Assessment for Quarries (ROFRAQ), which assesses the risk associated with rockfalls in quarries.
