search for: debarr

Why does the expression "(-8)^(1/3)" return NaN, instead of -2? This is not answered by http://cran.r-project.org/doc/FAQ/R-FAQ.html#Why-are-powers-of-negative-numbers-wrong_003f Thanks, Dave [[alternative HTML version deleted]]

...ces http://cran.R-projet.org stable/ Packages (/var/lib/apt/lists/cran.R-projet.org_bin_linux_debian_stable_Packages) - stat (2 Aucun fichier ou r?pertoire de ce type) [W: Impossible to localize the list of source packages .... no file or folder of this kind] What can I do ? Thanks, -- Florence DEBARRE

I tried downloading R-2.7.2 (http://cran.cnr.berkeley.edu/bin/windows/base/R-2.7.2-win32.exe, both from Berkeley and cran) and both times I got a warning from Computer Associates eTrust Antivirus (version 7.1.710) that the Win32/Adclicker.JO trojan was detected: The Win32/Adclicker.JO was detected in C:\USERS\USER\APPDATA\LOCAL\MICROSOFT\WINDOWS\TEMPORARY INTERNET

When I run the "acf()" function using the "acf(ts.union(mdeaths, fdeaths))" example, the "acf()" function calls the "acf.plot()" function to generate this plot... http://members.cox.net/ddebarr/images/acf_example.png The plot in the lower right-hand corner is labeled "fdeaths & mdeaths", but the negative lags appear to belong to "mdeaths & fdeaths" [which correspond to the positive lags of "fdeaths & mdeaths"]. Am I missing something, or should...

...GS-B" error, please help (ashky) 85. SET_VECTOR_ELT() and mkChar() (snoweye) 86. Re: FW: logistic regression (Frank E Harrell Jr) 87. Re: example - export a data frame to an XML file (Paul Murrell) 88. Re: Bug in "is" ? (Michael Grant) 89. Re: R-2.7.2 infected? (Dave DeBarr) 90. Re: histogram-like plot - multiple bars side by side *solved* (J?rg Gro?) 91. crashes while using Rattle (GTK+) ( Tomislav Pu?a ) 92. Version 2.7.2 GUI acts awkward? (Gregor Rolshausen) 93. snow: Problems with cluster (tolga.i.uzuner at jpmorgan.com) 94. par() default values...