Nothing
preimage<-function(y0,x,y){
n<-length(y)
i<-1
while(abs(y[i]-y0)>=0.005){
i<-i+1
if(i==n+1) return(NA)
}
return(x[i])
}
linearCurve<-function(x,y){ #Werte für stückweise lineare Kurve berechnen
x<-round(x,2)
xgr<-round(seq(from=min(x),to=max(x),by=.001),3)
ylin<-numeric(0)
n<-length(x)
for(i in 2:n){
m<-(y[i]-y[i-1])/(x[i]-x[i-1])
section<-(x[i-1]<=xgr & xgr<=x[i])
ylin[section]<-y[i-1]+m*(xgr[section]-min(xgr[section]))
}
return(list(xgr,ylin))
}
expCurve<-function(x,y){
xgr<-linearCurve(x,y)[[1]]
ygr<-linearCurve(x,y)[[2]]
a=1-min(ygr)
x0=preimage(1-a/2,xgr,ygr)
y0=min(ygr)
b<-preimage(y0+a/(1+exp(-.5)),xgr,ygr)-preimage(y0+a/(1+exp(.5)),xgr,ygr)
return(list(xgr,y0+(a/(1+exp(-(xgr-x0)/b)))))
}
defaultfiles.write<-function(){
if(!file.exists(".last384_measure.txt")){
default384_measure<-NULL
rm(default384_measure)
data("default384_measure")
write.table(default384_measure,file=".last384_measure.txt",col.names=FALSE,sep="\t",row.names=FALSE)
}
if(!file.exists(".last384_control.txt")){
default384_control<-NULL
rm(default384_control)
data("default384_control")
write.table(default384_control,file=".last384_control.txt",col.names=FALSE,sep="\t",row.names=FALSE)
}
if(!file.exists(".last384_dilution.txt")){
default384_dilution<-NULL
rm(default384_dilution)
data("default384_dilution")
write.table(default384_dilution,file=".last384_dilution.txt",col.names=FALSE,sep="\t",row.names=FALSE)
}
if(!file.exists(".last96_measure.txt")){
default96_measure<-NULL
rm(default96_measure)
data("default96_measure")
write.table(default96_measure,file=".last96_measure.txt",col.names=FALSE,sep="\t",row.names=FALSE)
}
if(!file.exists(".last96_control.txt")){
default96_control<-NULL
rm(default96_control)
data("default96_control")
write.table(default96_control,file=".last96_control.txt",col.names=FALSE,sep="\t",row.names=FALSE)
}
if(!file.exists(".last96_dilution.txt")){
default96_dilution<-NULL
rm(default96_dilution)
data("default96_dilution")
write.table(default96_dilution,file=".last96_dilution.txt",col.names=FALSE,sep="\t",row.names=FALSE)
}
}
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