search for: fcast

Displaying 4 results from an estimated 4 matches for "fcast".

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2009 Aug 07
3
How do I plot a line followed by two forecast points?
...e("1992-12-31"),by="month"); # Sample y value > yValues<-NULL; > yValues[1:length(xValues)]=seq(0.1,length=length(xValues)) # Plot the series as a line > plot(xValues,yValues,type="l"); # Sample forecast dates that start from xValue's data point > fcastDates=seq.Date(from=as.Date(xValues[length(xValues)]),length=12,by="month"); > fcastDates [1] "1992-12-31" "1993-01-31" "1993-03-03" "1993-03-31" "1993-05-01" "1993-05-31" [7] "1993-07-01" "1993-07-31" &qu...
2005 Sep 17
4
xyplot and abline
Dear All, I wonderif there is a simple way to draw a regression line in the xyplot: more specifically, let: age <- c(20:30, 31:40 ) age.cut <- cut(age, breaks = 2 ) y<- rnorm(20) x <- rnorm(20,4,1) xyplot(y ~ x| age.cut, xlab="x", ylab="y") How to draw (in the plot given by xyplot) the two regression lines (y ~ x) corresponding to the two category
2012 Apr 20
1
Package "demography" - calculating percentiles of survival probabilities distribution
Hi, I am using the package "demography" from Rob Hyndman for the Lee-Carter-Model. It is an amazing powerful tool but I am struggling with one issue: I want to compute different percentiles of the survival probability distribution derived from the Lee-Carter-Forecast (e.g. the 50%tile, 60%tile, 75%tile and 99%tile) for each of the next 10 years. Is there any possibility to retrieve
2010 Oct 07
1
Forecasting with R/Need Help. Steps shown below with the imaginary data
...des\SAS\gross up\Data\Forc1.xpt'; data xportout.Forc1; set Data1; run; setwd("H:/Care Transition Evaluation/CT-Codes/SAS/gross up/Data") getwd() Forc<-read.xport("Forc1.xpt") attach(Forc) names(Forc) Forc 1. Used the auto.arima codes: fit <- auto.arima(Forc) fcast <-forecast(fit) plot(fcast) summary(fcast) But the following error comes on using the first line of code: fit <- auto.arima(Forc) ----------------------------------------------------------------------- Error in model.frame.default(formula = x ~ 1, drop.unused.levels = TRUE) : invalid type...