crita {locfit} | R Documentation |
Every locfit
object contains a critical value object to be used in
computing and ploting confidence intervals. By default, a 95% pointwise
confidence level is used. To change the confidence level, the critical
value object must be substituted using crit
and
crit<-
.
crit(fit) <- crit(fit, cov=0.95)
fit |
locfit object. |
Critical value object generated by
crit
or kappa0
.
locfit
, plot.locfit
,
kappa0
, crit
.
# compute and plot 99% confidence intervals, with local variance estimate. data(ethanol) fit <- locfit(NOx~E,data=ethanol) crit(fit) <- crit(fit,cov=0.99) plot(fit,band="local") # compute and plot 99% simultaneous bands crit(fit) <- kappa0(NOx~E,data=ethanol,cov=0.99) plot(fit, band="local")