The phrase "an indicator of the number of" is correct and usable in written English.
It can be used when discussing metrics, statistics, or measurements that reflect a quantity or count of something.
Example: "The survey results serve as an indicator of the number of participants interested in the new program."
Alternatives: "a measure of the quantity of" or "a sign of the amount of".
The height of the 2D-band is an indicator of the number of graphene layers [1].
The 2D band to G band ratio (I 2D/I G) is commonly used as an indicator of the number of graphene layers [40, 41].
This parameter is an indicator of the number of property descriptors computed by QikProp that fall outside the optimum range of values for 95% of known drugs.
Therefore what drives scientists today is no longer the curiosity of discovering something new, but rather the glorification of a high-impact factor (i.e. essentially an indicator of the number of times articles published in the journal are cited).
According to Graf et al. (2007), the relative intensity of the G and D′ bands (D′ band: the second-order band at around 2700 cm−1) is an indicator of the number of stacked layers in the graphite.
This bot detection algorithm, which is run after algorithm 1, is illustrated below: In this study the number of nodes in all clusters besides the cluster with largest number of nodes, an indicator of the number of nodes needed to be searched further to identify the bots, is denoted by N s.
The use of a health systems framework and tracer indicators rationalised the number of indicators collected.
Two of these indicators must be the number of deaths of prisoners and the causes of those deaths.
One of the most troubling indicators has been the number of people putting in claims for unemployment benefits in New York.
Other Devices This is an evolving medium, if the number of new products is an indicator.
The best indicator we have is the number of investment bankers that call in bad times.
