FitAR: Readts – R documentation

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Readts

Input a Time Series

Description

This function inputs time series stored in ASCII in a format that the first line in the file is a title, next few lines, beginning with a \#, are comments, and the remaining lines contain the data. Here is an example:

Changes In Global Temperature, Annual, 1880-1985 #Surface air "temperature change" for the globe, 1880-1985. #Degrees Celsius. "Temperature change" actually means temperature #Surface Air Temperature", `Journal of Geophysical Research`, Vol. 92, -.40 -.37 -.43 .... ............... .27 .42 .02 .30 .09 .05

Usage

Readts(file = "", freq = 1, start = 1, VerboseQ=TRUE)

Arguments

`file`	location for input file
`freq`	tsp parameter, =1, annual, =12 monthly etc
`start`	tsp parameter
`VerboseQ`	normally prompt for arguments but set VerboseQ=FALSE to automate

Value

ts object with attribute 'title'

Author(s)

A.I. McLeod

Examples

#You will need to change save the data given above in a file
#and change the directory as appropriate
#z<-Readts(file="d:/datasets/mhsets/annual/globtp.1", start=1880, VerboseQ=FALSE)

FitAR

Subset AR Model Fitting

v1.94

GPL (>= 2)

Authors

A.I. McLeod, Ying Zhang and Changjiang Xu

Initial release

2013-03-15