search for: varmin

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2008 Jul 04
2
create a zero matrix & fill
...ot be transformed in double) > plot(Variation[1],Variation[2]) Fehler in as.double.default(x) : (list) Objekt kann nicht nach 'double' umgewandelt werden Any suggestion? Hier is the function: #Computing variation of the power VAR<-function(power,length){ tvar=pmean=pmin=pmax=varmax=varmin<-matrix(data=0,ncol=(length-tml0)) for(i in tml0:length){ tvar[i]=i pmean[i]=mean(power[i:(i+deltat)]) pmin[i]=min(power[i:(i+deltat)]) pmax[i]=max(power[i:(i+deltat)]) varmax[i]=100*(pmax[i]-pmean[i])/pmean[i] varmin[i]=100*(pmean[i]-pmin[i])/pmean[i] Results=list(tvar,pmean,pmin,pmax,varmax,va...
2008 Jul 04
1
initialize a matrix
...eturns minimum,maximum,mean of a vector(power) I've done the following : VAR<-function(power,length){ for(i in tml:length)){ tvar[i]<-i pmean[i]<-mean(power[i:i+deltat]) pmin[i]<-min(power[i:i+deltat]) pmax[i]<-max(power[i:i+deltat]) varmax[i]<-100*(pmax[i]-pmean[i])/pmean[i] varmin[i]<-100*(pmean[i]-pmin[i])/pmean[i] Resulats<-list(tvar,pmin,pmax,pmean,varmin,varmax) }} p.s. tml is a variable which is grater than 0 , deltat is a constant defined The problem is that tvar is unknown for R. So I have to initialize tvar,pmean... Should I create a zero matrix with length o...
2008 Jul 04
0
RES: initialize a matrix
...eturns minimum,maximum,mean of a vector(power) I've done the following : VAR<-function(power,length){ for(i in tml:length)){ tvar[i]<-i pmean[i]<-mean(power[i:i+deltat]) pmin[i]<-min(power[i:i+deltat]) pmax[i]<-max(power[i:i+deltat]) varmax[i]<-100*(pmax[i]-pmean[i])/pmean[i] varmin[i]<-100*(pmean[i]-pmin[i])/pmean[i] Resulats<-list(tvar,pmin,pmax,pmean,varmin,varmax) }} p.s. tml is a variable which is grater than 0 , deltat is a constant defined The problem is that tvar is unknown for R. So I have to initialize tvar,pmean... Should I create a zero matrix with length o...