單項(xiàng)選擇題縱向合并要求具備以下條件:()

A.待合并的兩個(gè)數(shù)據(jù)文件的數(shù)據(jù)結(jié)構(gòu)完全相同
B.可以是兩個(gè)完全不相干的數(shù)據(jù)文件
C.在兩個(gè)數(shù)據(jù)文件中,數(shù)據(jù)含義相同的數(shù)據(jù)項(xiàng)最好起相同的變量名
D.待合并的兩個(gè)數(shù)據(jù)文件的個(gè)案數(shù)相同


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2.單項(xiàng)選擇題哪種類型的變量可以不定義變量值標(biāo)簽()

A.定類型變量
B.定序型變量
C.定距型變量

3.單項(xiàng)選擇題下列關(guān)于SPSS的數(shù)據(jù)文件的說法,正確的是()

A.SPSS數(shù)據(jù)文件和Excel表格是一樣的
B.數(shù)據(jù)文件中一行或一列是一個(gè)變量
C.數(shù)據(jù)文件中有變量視窗和數(shù)據(jù)視窗兩個(gè)視窗
D.SPSS數(shù)據(jù)文件可以用Excel打開

5.單項(xiàng)選擇題數(shù)據(jù)分析中,首先要做的工作是()

A.正確收集數(shù)據(jù)
B.加工整理數(shù)據(jù)
C.分析數(shù)據(jù)
D.明確分析目標(biāo)

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