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# ------------- class LBInferenceMLK -------------------------------------------
#setClass( "LBInferenceMLK", representation( r0 = "vector",
# r0.ci = "vector" ),
# contains = "InferenceML",
# prototype( r0=NA,
# r0.ci=c( lower=NA, upper=NA ) ) )
# >>> set-Methods
# infValues
setReplaceMethod( "infValues", "LBInferenceMLK", function( object, value ){
object <- callNextMethod()
val.names <- names( value )
if( "r0" %in% val.names ) object@r0 <- value$r0
if( "r0.ci" %in% val.names ) object@r0.ci <- value$r0.ci
return( object )
} )
# >>> get-Methods
# infValues
setMethod( "infValues", "LBInferenceMLK", function( object ){
li <- callNextMethod()
return( c( li, list( r0 = object@r0,
r0.ci = object@r0.ci ) ) )
} )
# >>> other Methods
# show
setMethod( "show", "LBInferenceMLK", function( object ){
cat( "An object of class LBInferenceMLK\n\n" )
cat( "Parameter Estimations:\n" )
cat( " Parameter:\n " )
print( object@paramHat )
cat( "\n StandardErrors:\n " )
print( object@paramSe )
cat( "\n Loglikelihood:\n " )
print( object@loglik )
cat( "\n AIC:\n " )
print( object@aic )
cat( "\n CovarianceMatrix:\n " )
print( object@cov )
cat( "\n Correlations:\n " )
print( object@corr )
cat( "\n R0 plus 95% confidence intervall:\n" )
print( c( object@r0.ci[1], object@r0, object@r0.ci[2] ) )
} )
# summary
setMethod( "summary", "LBInferenceMLK", function( object ){
return( object )
} )
# plot.klink
setMethod( "plot.klink", "LBInferenceMLK", function( object, exp, eps=1e-5 ){
param <- object@paramHat
param.se <- object@paramSe
loglik <- object@loglik
expint <- exp2interval( exp )
##Show likelihood surface
beta1.grid <- seq( max( eps, param[1] - 3 * param.se[1] ),
param[1] + 3 * param.se[1], length=50)
beta2.grid <- seq( max( eps, param[2] - 3 * param.se[2] ),
param[2] + 3 * param.se[2], length=50)
grid <- expand.grid(beta1.grid,beta2.grid)
#Normalized log-likelihood
vals <- matrix( apply( grid, MARGIN=1, loglik.klink, expint=expint,
makeLambda=makeLambda2 ),
length(beta1.grid), length(beta2.grid) ) - loglik
#Show log-likelihood
contour( beta1.grid, beta2.grid, exp(vals), nlevel=20,
xlab=expression(beta[w]), ylab=expression(beta[b]) )
points( param[1], param[2], cex=2, pch=3, col=2)
#95% Joint Highest Likelihood interval
contour( beta1.grid, beta2.grid,vals, levels=log(0.95), col=2,
add=T, lty=2, lwd=2)
} )
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