Essays about: "trees"

Showing result 1 - 5 of 1001 essays containing the word trees.

  1. 1. Using Boosted Decision Trees in the Search for Heavy Neutral Higgs Bosons in the ATLAS Experiment

    University essay from Uppsala universitet/Högenergifysik

    Author : Hesham El Faham; [2018]
    Keywords : ;

    Abstract : A search for heavy neutral Higgs bosons in the τ_μ τ_had channel is presented. The analysis was performed using approximately 32 fb^−1 of 13 TeV proton-proton collision data with the ATLAS detector and improves upon earlier ATLAS searches through the use of Boosted Decision Trees (BDT). .. READ MORE

  2. 2. Post-Pruning of Random Forests

    University essay from Blekinge Tekniska Högskola/Institutionen för datalogi och datorsystemteknik

    Author : Jamal Diyar; [2018]
    Keywords : Random Forests; pruning; interpretability; accuracy.;

    Abstract : Abstract  Context. In machine learning, ensemble methods continue to receive increased attention. Since machine learning approaches that generate a single classifier or predictor have shown limited capabilities in some contexts, ensemble methods are used to yield better predictive performance. READ MORE

  3. 3. Conservation of saproxylic beetles in a wooded pasture in northern Scania

    University essay from Lunds universitet/Examensarbeten i biologi

    Author : Andreas Schmidt; [2018]
    Keywords : Biology and Life Sciences;

    Abstract : The area of wooded pasture in Europe has decreased drastically over the last centuries due to abandoned management. Herrevadskloster is a newly formed nature reserve in northern Scania with an unusually long continuity of being an open, grazed woodland containing large old trees. READ MORE

  4. 4. Green Infrastructure a line of trees or a philosophy? A study of a contested concept at the County Administrative Board of Skåne

    University essay from Lunds universitet/Institutionen för kulturgeografi och ekonomisk geografi

    Author : Wösel Thoresen; [2018]
    Keywords : Green infrastructure; landscape; political ecology; biodiversity; environmental governance; ecological modernization; Social Sciences;

    Abstract : Landscape fragmentation and decreasing habitat areas poses a threat to biodiversity worldwide. Green infrastructure has developed as a conservation approach promoting habitat connectivity on a landscape scale. However, green infrastructure is much more than a network of natural structures and elements enabling species movement. READ MORE

  5. 5. The Royal Climate Garden : a design proposal on how to adapt Kungsträdgården, Stockholm, to a warmer future climate

    University essay from SLU/Dept. of Urban and Rural Development

    Author : Mathilda Axling; Agnes Sandström; [2018]
    Keywords : climate change; increased temperature; urban heat island effect; Kungsträdgården;

    Abstract : The aim of this thesis is to find strategies to mitigate the negative effects of an increased temperature and apply them in a design proposal to an urban space of social importance. The chosen site was Kungsträdgården, which is located in central Stockholm, Sweden. Climate change is a contested political debate and a global issue. READ MORE