The phrase "a robust index for" is correct and usable in written English.
It can be used when referring to a strong or effective index that serves a specific purpose or function, often in the context of data, research, or analysis.
Example: "The study provided a robust index for measuring the impact of climate change on biodiversity."
Alternatives: "a strong measure for" or "a reliable indicator for".
The SPEI is considered as a robust index for regional drought monitoring and analysis under global climate change scenarios because of its multiscalar nature, simple form, low data requirement, and ability to identify the effects of temperature on drought conditions.
In this study, we applied regression-based Total Attributable Fraction (TAF) [ 41], which we consider a robust index for measuring inequalities in health.
Our approach makes the assumption that the model of dugong distribution and relative density developed from the time series of aerial surveys is a robust index of a region's conservation value for dugongs.
While conventional statistical inference in this study is based on sample means, we use median values as a robust index of the sample's central tendency for descriptive report of the data.
In contrast, CAI is suggested as the most robust index for showing the influence of natural selection on codon usage patterns of such genes [ 27, 30, 31, 49].
However, to date, a robust PK/PD index for anidulafungin and caspofungin relating exposure to response is yet to be identified in clinical studies.
The approach allows for a simple, yet robust index able to include an array of datasets generally available in flood prone areas with potential to disaggregate and trace variables for management and decision making.
Heart rate thus appears to offer a stable and robust index of developmental rate in reptiles, at least for studies of thermal effects on rates of embryonic development.
The high temporal and spatial selectivity of intracranial gamma power make it a highly robust candidate index for functional mapping.
One of the most commonly used schemes of rating, the International Prognostic Index (IPI) for lymphomas, developed in the 1990s, remains a robust clinical prognostic index for aggressive lymphomas.
