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Hello I have read that under Solaris one can use DTrace to get I/O request size distribution on a global scale (also on a per process/pid basis). See for example http://prefetch.net/articles/observeiodtk.html Can anyone?recommend?an alternative to get similar information under CentOS? I looked into dtrace for linux but it seems still work in progress, even putting aside CDDL issues ...

I have these two dataframes in which 'id' is the key field > tabella id nome 1 1 PIEMONTE 2 2 VALLED'AOSTA 3 3 LOMBARDIA 4 4 TRENTINO 5 5 VENETO 6 6 FRIULI AND > tab id nome 1 1 PIEMONTE 2 2 VALLED'AOSTA 3 3 LOMBARDIA 4 4 TRENTINO 5 25 CAMPANIA 6 28 LAZIO Is there any R-one-command able to...

...rm" comand, but I see that it can compute only quantile for equicoordinate. Is it possible to have a curve (or a set of values) if we don't want equicoordinates? Thank you Best regards Antonio. -- Antonio Lucadamo, Dipartimento di Scienze Economiche e Metodi Quantitativi Universit? del Piemonte Orientale "A. Avogadro" via Perrone, 18 - 28100 Novara fax: +39 0321 375305 phone: +39 0321 375338 mobile phone: +39 3385973881 skype contact: antonio.lucadamo

...be equivalent to an Union Intersection Test. I used different value for the t-statistic but I can not find the right equivalence. Does someone know how to choose the right value? Thanks a lot. Antonio -- Antonio Lucadamo, Dipartimento di Scienze Economiche e Metodi Quantitativi Universit? del Piemonte Orientale "A. Avogadro" via Perrone, 18 - 28100 Novara fax: +39 0321 375305 phone: +39 0321 375338 mobile phone: +39 3385973881 skype contact: antonio.lucadamo

...PNoDelay.o] Error 1 ERROR: compilation failed for package 'gtools' ** Removing '/usr/lib/R/library/gtools' Indeed R headers (R.h and Rinternals.h) don' t exist on my filesystem. Where can I find them? How can I install them? Thanks for help, Best regards, Roberto -- ARPA Piemonte SC05 - Area Previsione e Monitoraggio Ambientale Roberto Cremonini via Pio VII, 9 10135 TORINO ITALIA Tel. +39 011 1968 0282 Fax. +39 011 1968 1341 Riservatezza/Confidentiality In ottemperanza al D.Lgs. n. 196 del 30.06.2003 in materia di protezione dei dati personali, le informazioni contenute...

.... The first example is self-contained, but the second one requires the .shp file, which can retrieved at http://www.gadm.org/country. ----- Example 1 ----- library(sp) con <- url("http://gadm.org/data/rda/ITA_adm1.RData") print(load(con)) close(con) regionnames <- c("Piemonte", "Valle d'Aosta", "Liguria", "Lombardia", "Trentino-Alto Adige/S?dtirol", "Veneto", "Friuli-Venezia Giulia", "Emilia-Romagna", "Toscana", "Umbria", "Marche", "Lazio", "Abr...

I want to take the first row of each unique ID value from a data frame. For instance > ddTable <- data.frame(Id=c(1,1,2,2),name=c("Paul","Joe","Bob","Larry")) I want a dataset that is Id Name 1 Paul 2 Bob > unique(ddTable) Will give me all 4 rows, and > unique(ddTable$Id) Will give me c(1,2), but not accompanied by the name column.