Dear R-helpers;
Using nls() to fit a function,Rdum, defined below I stumbled on an
error: Error in eval(expr, envir, enclos): Object s0 not found.
The function Rdum is defined as
Rdum - deriv(~ h1 * (s0 + sl0*sl + sm0*sm + sp01*sp1 + sp02*sp2 +
sp03*sp3+sp04*sp4) *
Yang, Richard wrote:
Dear R-helpers;
Using nls() to fit a function,Rdum, defined below I stumbled on an
error: Error in eval(expr, envir, enclos): Object s0 not found.
The function Rdum is defined as
Rdum - deriv(~ h1 * (s0 + sl0*sl + sm0*sm + sp01*sp1 + sp02*sp2 +
