Hi!
> Wanted to check if there are any packages available for getting the
> (x,y) data points of a graph or a plot, which is in the image format.
> Say, the plot could be a published report, and I want to get the points
> of the curve plotted. (I am speaking something related the subject
> discussed in http://www.uniphiz.com/digitizing.htm)
I am not aware of an R-package but there are several applications that
produce tables from graphs which you can import into R afterwards. A
few examples:
g3data (LINUX, opensource)
engauge (LINUX/Windows, opensource)
Grab it! (Windows, commercial)
Datathief (LINUX/Windows/Mac, shareware)
UN-SCAN-IT (Windows/Mac, commercial)
Google digs up quite a few additional hits with "digitizing graph
data".
cu
Philipp
--
Dr. Philipp Pagel
Lehrstuhl für Genomorientierte Bioinformatik
Technische Universität München
Wissenschaftszentrum Weihenstephan
85350 Freising, Germany
http://mips.gsf.de/staff/pagel
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