![]() I then want to use my observed dataset (with things like diameter and height of the trees) to calculate biomass - but I don't know how to actually use the expression that is in the allometric equation database. I also have another large observed dataset with observed species so I loop over all these species and their location to find the allometric equation for each, and the equations can be very different. I have a database with allometric equations (that you can use to calculate/estimate biomass of trees), together with information on locations and species for which they were developed. Does anyone know of a way to use an equation that is given as a string as an actual equation or formula in R?
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