Forecasts {fImport}R Documentation

Import Market Data from www.forecasts.org

Description

A collection and description of functions to import financial and economic market data from the www.forecast.org web site.

The functions are:

forecastsImport monthly data from the Financial Forecast Center,
forecastsSeries easy to use download from Financial Forecast Center.

Usage

forecastsImport(query, file = "tempfile", 
    source = "http://www.forecasts.org/data/data/", save = FALSE, 
    try = TRUE) 
      
forecastsSeries(query, returnClass = c("timeSeries", "ts", "matrix", 
    "data.frame"), getReturns = FALSE, ...)    
    

Arguments

getReturns a logical flag. Should return values be computed using the function returnSeries?
file a character string with filename, usually having extension ".csv", where to save the downloaded data.
query a character string, denoting the location of the data at the web site.
returnClass a character string naming the class of the object to be returned. By default the function returns a "timeSeries" object, alternatives are: "ts", "matrix", or "data.frame".
save a logical value, if set to TRUE the downloaded data file will be stored under the path and file name specified by the string file. By default FALSE.
source a character string with the download URL.
try a logical value, if set to TRUE the Internet access will be checked.
... optional arguments to be passed.

Value

The function forecastsImport returns an S4 object of class fWEBDATA with the following slots:

@call the function call.
@data the data as downloaded formatted as a data.frame.
@param a character vector whose elements contain the values of selected parameters of the argument list.
@title a character string with the name of the download. This can be overwritten specifying a user defined input argument.
@description a character string with an optional user defined description. By default just the current date when the test was applied will be returned.


The function forecastsSeries returns an S4 object of class timeSeries or alternatively an object specified by the function argument returnClass.

Note

Internet Download Functions:

IMPORTANT NOTE: If the service provider changes the data file format it may become necessary to modify and update the functions.

Author(s)

Diethelm Wuertz for the Rmetrics R-port.

Examples

## Not run: 
## forecastsImport -
   NA
## End(Not run)

[Package fImport version 260.72 Index]