search for: debdt

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2005 Mar 16
0
use of covariates with nlmeODE
...with a model I am trying to run with nlmeODE. I have a covariate that I want to include in the model and I can't find in the documentation how to include it in the model so that it can calculate it. >formula(trial) PME ~ time | Ident abcnoniso <- list(DiffEq=list( debdt = ~ -ksol*pH*eb , desdt = ~ ksolref*pH*eb-kdegref*pH*es, dpHdt= ~ -k*(pH-pHinf) ), ObsEq=list( c1 = ~ 0, c2 = ~ es, c3 = ~ 0), Parms=c("ks...