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R Reference Card

R Reference Cardby Tom Short, EPRI PEAC, 2004-11-07 Granted to the public domain. See for the source and latestversion. Includes material fromR for Beginnersby Emmanuel Paradis (withpermission).Getting helpMost R functions have online (topic)documentation ontopic? ("topic")search the help systemapropos("topic")the names of all objects in the search list matchingthe regular expression topic ()start the HTML version of helpstr(a)display the internal *str*ucture of an R objectsummary(a)gives a summary ofa, usually a statistical summary but it isgenericmeaning it has different operations for different classes ofals()show objects in the search path; specifypat="pat"to search on ()str() for each variable in the search pathdir()show files in the current directorymethods(a)s

R Reference Card by Tom Short, EPRI PEAC, tshort@epri-peac.com 2004-11-07 Granted to the public domain. See www.Rpad.org for the source and latest version. Includes material from R for Beginners by Emmanuel Paradis (with permission). Getting help Most R

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