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顺序数据是什么?

losiasya

New member
在stat代写https://meiguodaixie.com/stat-dai-xie/ 中,序列变量的值是序列数据。比如“产品等级”是序列变量,其变量值可以是“一级”、“二级”、“三级”、“有缺陷”。数值变量的值是数值数据。“产品产量”、“商品销售额”、“零件size”、“年龄”、“时间”等等都是数字变量,可以取不同的值。还有离散变量和连续变量,离散变量只能取有限个数的值,它们的值都是用整数来分隔的,整数可以一个一个的列出来,例如,“企业数量”和“产品数量”是离散变量。
 
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