Displaying 3 results from an estimated 3 matches for "agroecosystem".
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agroecosystems
2009 Sep 19
3
Creating histograms from factors using a for loop
...dev.off()
}
# I'm obviously not understanding how loops work with factors. Can
anybody point me in the right direction?
--
Sam Player, B.Sc.(Hons.) B.A.
Ph.D. Candidate, Faculty of Agriculture, Food & Natural Resources, University of Sydney
Email: splayer at usyd.edu.au
Agroecosystems Research Group
Room 214 J.R.A. McMillan Building A05
University of Sydney NSW 2006, Australia
Angkor Research Program
Room 305 Old Teachers College A22
University of Sydney NSW 2006, Australia
2009 Sep 19
2
Counting observations of a combined factor
...q
#1 a.c 6
#2 b.c 0
#3 a.d 0
#4 b.d 6
I need the results to be:
# Var1 Freq
#1 a 6
#2 b 6
# Any suggestions?
--
Sam Player, B.Sc.(Hons.) B.A.
Ph.D. Candidate, Faculty of Agriculture, Food & Natural Resources, University of Sydney
Email: splayer at usyd.edu.au
Agroecosystems Research Group
Room 214 J.R.A. McMillan Building A05
University of Sydney NSW 2006, Australia
Angkor Research Program
Room 305 Old Teachers College A22
University of Sydney NSW 2006, Australia
2018 Aug 20
0
[jobs] postdoc in remote sensing with USDA-ARS
...e the use of optical and radar remote sensing
products along with field data for calibration and validation. The research
associate will conduct field work and will collaborate with model
developers in Agriculture and Agri-Food Canada (AAFC) as well as other
partners in ARS and within the Long Term Agroecosystems Research (LTAR)
network.
Qualifications include a recent Ph.D. (within the last 4 years) in
Agricultural Engineering, Agronomy, Geography or a related discipline;
ability to participate as a team member in the collection of field data of
soil moisture, biomass, phenology and leaf area index (LA...