Type Alias GlmLinkName

GlmLinkName:
    | "identity"
    | "log"
    | "inverse"
    | "logit"
    | "probit"
    | "cauchit"
    | "cloglog"
    | "sqrt"
    | "1/mu^2"

R の stats のリンクの名前です (make.link)。