search for: e3c

Displaying 5 results from an estimated 5 matches for "e3c".

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2006 Jan 18
1
Breakpoints for multiple variables using Segmented
...psi = 2 , it.max = 50) Thanks very much for your help. Matthew G. Betts, Ph.D. NB??Cooperative Fish and Wildlife Research Unit Faculty of Forestry and Environmental Management University of New Brunswick?? UNB Tweedale Centre Hugh John Flemming Forestry Complex 1350 Regent St., Fredericton, N.B. E3C 2G6 (506) 447-3408 http://www.unb.ca/web/acwern/people/mbetts/mbetts.htm
2008 Jun 06
1
How to force two regression coefficients to be equal but opposite in sign?
...rees of freedom Multiple R-squared: 0.7622, Adjusted R-squared: 0.3343 F-statistic: 1.781 on 9 and 5 DF, p-value: 0.2721 ---- What I need to do is force the corresponding environment coefficients to be equal in absolute value, but opposite in sign. That is: E1B = -E2B E1C = -E3C E1D = -E3D E1E = -E1E In essence, E1 and E2 are the "same" variable, but can play two different roles in the model depending on whether it's the first part of the observation or the second part. I searched the archive, and the closest thing I found to my situation was:...
2007 May 28
5
Has anyone any insight as to why RedHat Enterprise Level 5 is broken as far as PXE booting is concerned.
Hi ALL Has anyone any insight as to why RedHat Enterprise Level 5 is broken as far as PXE booting is concerned. Is there a Protocol communication problem ???????? Are there alternative tftp-severs that work for the RHEL5.. It seems: the PXE CLIENT when booting cannot access files in the "pxelinux.cfg" dir RHEL4 works just fine !! ( kernel 2.6.9-22.EL) with
2008 Jun 09
1
Systemfit (was RE: How to force two regression coefficients to be equal but opposite in sign?)
...43 > > F-statistic: 1.781 on 9 and 5 DF, p-value: 0.2721 > > > > ---- > > > > What I need to do is force the corresponding environment coefficients > > to be equal in absolute value, but opposite in sign. That is: > > > > E1B = -E2B > > E1C = -E3C > > E1D = -E3D > > E1E = -E1E > > > > In essence, E1 and E2 are the "same" variable, but can play two > > different roles in the model depending on whether it's the first part > > of the observation or the second part. > > > > I searched...
2008 Jun 06
6
Subsetting to unique values
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.