Displaying 4 results from an estimated 4 matches for "charn".
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char
2003 Sep 02
3
How to avoid automatic coercion to factor?
I have a function that manipulates a list of numeric and character
components of equal length and wants to return a data.frame.
EG,
f<-function() {
a<-list(Int1=1:5,Char1=letters[1:5],Char2=letters[6:10])
b<-data.frame(a)
}
How can I get the columns Char1, Char2, (...CharN) returned coerced to
character and not factor?
It appears that I could coerce individual columns by
b$CharI<-as.character(b$CharI). Is there a less ugly way of doing this?
Thanks, Steve Dutky
301-545-4113 desk
301-325-8146 cell
steve.dutky at thomson.com
www.thomson.com/financial
2012 Feb 07
11
[Bug 1978] New: ECDSA & SHA256 support in SSHFS DNS records
https://bugzilla.mindrot.org/show_bug.cgi?id=1978
Bug #: 1978
Summary: ECDSA & SHA256 support in SSHFS DNS records
Classification: Unclassified
Product: Portable OpenSSH
Version: 5.9p1
Platform: All
URL: https://tools.ietf.org/html/draft-os-ietf-sshfp-ecdsa-
sha2-07
OS/Version: All
2008 Nov 03
1
IWLS vs direct ML estimation
Hi,
I am thinking about IWLS vs ML estimation. When I use glm() for a
2-parameter distribution (e.g., Weibull), I can otain the MLE of scale
parameter given shape parameter through IWLS. Because this scale parameter
usually converges to the MLE.
In this point, I am wondering:
i) can you say that the direct MLE, which is obtained by maximizing a
likelihood function, is equalvant to the indirect
2007 Jun 11
24
multiple routing tables for internal router programs
Maybe a strange request, I''ll try to explain this as clearer as I can
(forgive my bad english, please :-) ).
I''m setting a linux box as a router. My router uses multiple routing
tables, so I can address the traffic from specific ip addresses of my
lan to distinct ISPs providers (specifying a different default gateway
fo r each table), marking packets with iptables