search for: 2r9

Displaying 3 results from an estimated 3 matches for "2r9".

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2007 Jun 20
4
finding roots of multivariate equation
...this for an equation with more than one variable. I am looking for something implementing similar to a Newton-Raphson algorithm. Thanks. -- Bill Shipley North American Editor for Annals of Botany Subject Editor for Ecology D?partement de biologie Universit? de Sherbrooke Sherbrooke (Qu?bec) J1K 2R9 Canada
2002 Oct 22
2
cubic spline smoothers with heterogeneous variances
...know if this can be done given that the error variance would increase over time. Does anyone know what the effect of a non-constant error variance has on the estimates of the 1st derivative and its se? Bill Shipley Departement de biologie Universite de Sherbrooke Sherbrooke (Quebec) CANADA J1K 2R9 Bill.Shipley at USherbrooke.ca http://callisto.si.usherb.ca:8080/bshipley/ -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe&quo...
2002 Sep 24
4
extracting elements from summary(aov object)
..."soil.cores$treatment" . In SPLUS one would do this by summary(out)$"Error: soil.cores$block:soil.cores$treatment"$"F value"[2] but this doesn't seem to work. Thanks. Bill Shipley Departement de biologie Universite de Sherbrooke Sherbrooke (Quebec) CANADA J1K 2R9 Bill.Shipley at USherbrooke.ca http://callisto.si.usherb.ca:8080/bshipley/ -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.- r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html Send "info", "help", or "[un]subscribe&quo...