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toxic
2000 Oct 27
1
- Estimate LD50 with bnlr{gnlm}
Hi,
I'm not yet familar with GLM and still learning.
How can I perform a BNL (to estimate LDp values) with matrixes like this
(N indicates the observed objects):
data from:
Kerr D, Meador J. 1996. "Modeling Dose Response Using Generalized Linear
Models". Environ Toxicol Chem 15(3)
conc respond n
0 0 20
0 1 19
0 1 20
0 0 20
13.5 5 23
13.5 2 20
29 9 20
29 6 20
53 12 20
53 15 20
85 19 20
85 18 20
110 18 18
110 18 18
The bnlr{gnlm} documentation talks about a two column matrix as input.
Thanks for any help
Jens
--
Jens Schmidt TU Dresden -Inst...
2012 May 22
3
How to remove square brackets, etc. from address strings?
Hello,
I'd like to remove the individual pairs of square brackets along with
their content - plus the space directly behind it - from address strings
such as this:
[Swidsinski, Alexander; Loening-Baucke, Vera; Lochs, Herbert] Charite
Humboldt Univ, Innere Klin, D-10098 Berlin, Germany; [Hale, Laura P.]
Duke Univ, Med Ctr, Dept Pathol, Durham, NC 27710 USA
I'd like get the