缺失值的替代 的英文怎麼說

中文拼音 [quēshīzhídetìdài]
缺失值的替代 英文
replace missing values
  • 缺 : Ⅰ動詞1 （缺乏; 短少） be short of; lack 2 （殘缺） be missing; be incomplete 3 （該到而未到） be ...
  • 的 : 4次方是 The fourth power of 2 is direction
  • 替 : Ⅰ動詞1 （代替） replace; substitute for; supply [take] the place of 2 [書面語] （衰敗） decline Ⅱ...
  • 代 : Ⅰ動詞1 （代替） take the place of; be in place of 2 （代理） act on behalf of; acting Ⅱ名詞1 （歷...
  • 缺失 : hiatus; deficiency; [遺傳學] deletion
  • 替代 : substitute for; supersede; replace; substitution; replacement
  1. When one half or fewer of the items in a scale were missing, the mean of the non - missing items was used to represent the scale. a scale score was declared missing when more than one half of the items were missing

    在sf - 36健康量表的各維度中，如果某維度半數及以下條目缺失，則用未缺失條目的平均分代替缺失條目分，否則該維度分數值為缺失。
  2. Th ere are three approaches to deal with this problem, which are introduced and compared in this thesis : one is to throw off the absent observations ; second is to replace the absent observations with the average of other observations ; and third can be called first derivative approach

    即觀測值缺失問題，文章介紹並比較了三種處理這一問題的方法，分別是：去掉丟失觀測值法、平均值替代法（零階法）和一階法。
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