search for: toxicol

Displaying 2 results from an estimated 2 matches for "toxicol".

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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