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Untitled - MendelNet 2013 - Mendelova zemědělská a lesnická ...

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MENDELNET <strong>2013</strong>data relatively low. The performance of the coefficient of variation for all four scenes is captured inthe following figure:Figure 1:Histograms of V x for each of the monitored period(mean by chain line)Histograms in columns show the progress of the coefficient of variation at approximately sameareas in the South Moravian Region. Data V x obtained from the March image have almost normaldistribution. The detected average of these data is 0.6 higher, which indicates a slightly positiveleft-sided distribution. The variability of the data is high. From the viewpoint of classical statisticsit is an extremely sparse file. Beránek and Klement (2007) consider any land, for which thecoefficient of variation of selected agrochemical properties of surveyed soil is more than 50 %,heavily unbalanced. Three more scenes have a left-sided positively skewed histogram with anexcess of small values. From the perspective of the statistics, this data are weakly scattered filesbecause most of the data is smaller than 50%. According to Beránek and Clement (2007), the soilwith a coefficient of variation greater than 20 % are in some cases uneven .Figure 2:Levels of variability for Žabčice and neighborhood (25th 3rd 2012)117 | P age

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