Download the latest version of the ITRDB.

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Description

Downloads and parses the latest zipped (numbered) version of the ITRDB. This function includes improvements to the read_crn function from the dplR library. The principle changes are better parsing of metadata, and support for the Schweingruber-type Tucson format. Chronologies that are unable to be read are reported to the user.

Usage

1
download_itrdb(raw.dir = "./RAW/ITRDB/", force.redo = FALSE)

Arguments

raw.dir

A character string indicating where raw downloaded files should be put. The directory will be created if missing. Defaults to "./RAW/ITRDB/".

force.redo

If a download already exists, should a new one be created? Defaults to FALSE.

Value

A data.table containing all of the ITRDB data.

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