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Citation:

Applica tion of Rank-Sum Test in Checking the Effects of Thinn ingon the Growth of Planta tion

  • Received Date: 2007-12-20
  • The rank-sum test is an important non-parametric statisticalmethod. The growth percentage of basal areaand volume of 16 La rix olgensis p lotswith different thinning densities inWangQing ForestryBureau was calculated.The rank-sum testwas used to analyze the effects of thinning on stand growth and compare it with the analysis ofvariance used in parametric statistical method. The result showed that the rank-sum test could rep lace analysis ofvariance, furthermore, calculating was simp leness and convenience.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Applica tion of Rank-Sum Test in Checking the Effects of Thinn ingon the Growth of Planta tion

  • 1. Research Institute of Forest Resource Information Techniques, CAF, Beijing 100091, China

Abstract: The rank-sum test is an important non-parametric statisticalmethod. The growth percentage of basal areaand volume of 16 La rix olgensis p lotswith different thinning densities inWangQing ForestryBureau was calculated.The rank-sum testwas used to analyze the effects of thinning on stand growth and compare it with the analysis ofvariance used in parametric statistical method. The result showed that the rank-sum test could rep lace analysis ofvariance, furthermore, calculating was simp leness and convenience.

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