Package index

Logistic function

FourPL1() FourPL1_fixa() FourPL1_fixy0() FourPL1_fixa_fixy0() FourPL1_deriv()

Four parameter logistic (with explicit inflection point)

FourPL2() FourPL2_fixa() FourPL2_fixy0() FourPL2_fixa_fixy0() FourPL2_deriv()

Four paramter logistic (with implicit inflection point)

Log-logistic function

FourPLL1() FourPLL1_fixa() FourPLL1_fixy0() FourPLL1_fixa_fixy0() FourPLL1_deriv()

Four parameter log-logistic (with explicit inflection point)

FourPLL2() FourPLL2_fixa() FourPLL2_fixy0() FourPLL2_fixa_fixy0() FourPLL2_deriv()

Four paramter log-logistic (with implicit inflection point)

Curve fitting

FourPLfit()

Fit four-parameter logistic or log-logistic function

plot(<FourPLfit>)

Plot the four-parameter logistic or log-logistic function fitted to germination count data from a FourPLfit object