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Darren Koppel

environmental toxicology and chemistry, emergency management, science policy

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Darren Koppel

environmental toxicology and chemistry, emergency management, science policy

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Tag: Ecotoxicology

Dose-response modelling and model selection in R

Posted on 4 September 2020 by user

Dose Response Modelling in R Dose Response Modelling in R Setting up Crash course in model selection How many parameters … Continue reading “Dose-response modelling and model selection in R”

R, Science Ecotoxicology, R, Statistics Leave a comment

Toxic Units

Posted on 8 November 2019 by user

What’s a Toxic Unit anyway Darren Koppel 12 February 2019 Introduction The Toxic Unit approach is a handy way of … Continue reading “Toxic Units”

R Ecotoxicology, R, Statistics Leave a comment

Significance testing with EC50s

Posted on 8 November 2019 by user

The data comes from https://data.aad.gov.au/metadata/records/AAS_4326_microalga_toxicity which is published in this paper https://doi.org/10.1016/j.envpol.2017.05.034. The approach is outlined by Ritz et al … Continue reading “Significance testing with EC50s”

R Ecotoxicology, R, Statistics Leave a comment

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Research scientist assessing environmental risk of contaminants 🌈 he/him views are my own :)

DarrenKoppel
darrenkoppel Dr Darren Koppel @darrenkoppel ·
24 Jun

My figs!

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darjkop

Some bird, birb, and borbs of WA 🔊 Some bird, birb, and borbs of WA 🔊
Albany is pretty great Albany is pretty great
So Kalgoorlie is kinda great So Kalgoorlie is kinda great
I like big brims and I cannot lie You other brothe I like big brims and I cannot lie
You other brothers can't deny
When a mate walks in with an itty bitty peak
And no round thing in your face
You get burned
So an overnight trip to the South west corner may So an overnight trip to the South west corner may have been ambitious. Especially as all roads had roadwork and the region had a monsoon worth of rain (by south WA standards).

Nice beaches though
The bacteria living in these salt lakes are a litt The bacteria living in these salt lakes are a little bit extra 💕
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