667 per centimeter : climate science, quantitative biology, statistics, and energy policy
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Tag Archives: Botany

Moss of the Week, 2021-05-31: Pohlia nutans

Posted on 31 May 2021 by ecoquant

All photographs by Jan Galkowski, 2021.

Posted in American Bryological and Lichenological Society, Botany, bryology, bryophytes, mosses | Tagged Botany, bryophytes, mosses | Leave a comment
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    • Bob Altemeyer on authoritarianism (via Dan Satterfield) The science behind the GOP civil war
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    • Climate Change: A health emergency … New England Journal of Medicine Caren G. Solomon, M.D., M.P.H., and Regina C. LaRocque, M.D., M.P.H., January 17, 2019 N Engl J Med 2019; 380:209-211 DOI: 10.1056/NEJMp1817067
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    • "Lessons of the Little Ice Age" (Farber) From Dan Farber, at LEGAL PLANET
    • Wind sled Wind sled: A zero carbon way of exploring ice sheets
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    • James Powell on sampling the climate consensus
    • weather blocking patterns
    • The Keeling Curve The first, and one of the best programs for creating a spatially significant long term time series of atmospheric concentrations of CO2. Started amongst great obstacles by one, smart determined guy, Charles David Keeling.
    • Non-linear feedbacks in climate (discussion of Bloch-Johnson, Pierrehumbert, Abbot paper) Discussion of http://onlinelibrary.wiley.com/wol1/doi/10.1002/2015GL064240/abstract
    • All Models Are Wrong Dr Tamsin Edwards blog about uncertainty in science, and climate science
    • SOLAR PRODUCTION at Westwood Statistical Studios Generation charts for our home in Westwood, MA
    • Dessler's 6 minute Greenhouse Effect video
    • The Green Plate Effect Eli Rabett’s “The Green Plate Effect”
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  • Goodreads

  • Kalman filtering and smoothing; dynamic linear models



    Also, see datasets and R examples to accompany this excellent text.





    I have used dlm almost exclusively, except when extreme efficiency was required. Since Jouni Helske's KFAS was rewritten, though, I'm increasingly drawn to it, because the noise sources it supports are more diverse than dlm's. KFAS uses the notation and approaches of Durbin, Koopman, and Harvey.

    ``The real problem is that programmers have spent far too much time worrying about efficiency in the wrong places and at the wrong times; premature optimization is the root of all evil (or at least most of it) in programming.''
    Professor Donald Knuth, 1974
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