2014.7.29編制列聯(lián)表：列聯(lián)表主要用于分析離散型分類(lèi)計(jì)數(shù)資料，包括在表的基礎(chǔ)上進(jìn)行的擬合優(yōu)度檢驗(yàn)，獨(dú)立性檢驗(yàn)，一致性檢驗(yàn)，趨勢(shì)檢驗(yàn)和計(jì)算屬性變量關(guān)聯(lián)度等。其一般的語(yǔ)法格式為：procfreqdata=SAS數(shù)據(jù)集;by定義分層分析變量，要求分析數(shù)據(jù)集事先按by語(yǔ)句指定的變量排序；weight定義觀測(cè)的加權(quán)變量，必須為正;exact使用該語(yǔ)句時(shí)需要精確定義統(tǒng)計(jì)量的檢驗(yàn)或置信度，適用于數(shù)據(jù)較少時(shí);tables用于定義編制頻數(shù)分布表;output產(chǎn)生一個(gè)包含分析結(jié)果輸出數(shù)據(jù)文件，包括tables語(yǔ)句中的定義統(tǒng)計(jì)量，有效和遺漏個(gè)數(shù)；run;注：列聯(lián)表中的類(lèi)別變量如下面數(shù)據(jù)的第一行所表示，而類(lèi)別數(shù)據(jù)如觀測(cè)值。下面用一個(gè)例子來(lái)說(shuō)明，數(shù)據(jù)如下：Regioneyeshairskincount1bluefairblack231greenmediumblack181bluefairwhite441brownredbrown332bluefairblack402greenmediumblack222greenfairwhite152brownredbrown321bluemediumwhite151bluefairblack81greenfairwhite162greenmediumbrown232blueredbrown141browndarkwhite131bluedarkwhite442greendarkblack122browndarkwhite152bluedarkwhite221greenredbrown50

1）先用代碼裝一下；procfreqdata=a.aam;tableshaireyes*hair;/*單獨(dú)一個(gè)hair代表一維表，eyes*hair代表二維表示行變量，hair表示列變量*/weightcount;run;結(jié)果如下：FREQ卩ROCEDUREhairhair 頻數(shù)百分比 臭積頻數(shù) 異積百分比dark106■fair146dark106■fair146ruediurn78red129QuJIQu-H--M-H-Qu1—91602312E2O90535123423.0954.90100.00一維eyes(eyes)FREQPROCEDURE表-eyesHihairred合計(jì)hair(hair)medium比另另一數(shù)分百百?頻百行列一L」darkfdirblueS614.3831.4362.2611525.0554.7678.77153.277.1419.23143.058.6710.8521045.75brown286.1030.112C.420.000.000.000.000.000.006514.1669.8950.399320.26合計(jì)醴續(xù)）10623.0914631.8175' 1291G.99 20.10455100.00J1J__■-eJ..-J-IT--_體比分分一能數(shù)分百百一矽頻百行列一仃自丨r^rdark覘丨rjfsiirtriediurn|red合計(jì)green122.617.G911.32316.7519.8721.23G313.7340.3880.775010.8332.0538.7615633.89H 459100.00合計(jì)10623.0914631.81r t i78 12916.99 28.10

二維圖2)使用assist模塊：雖SAS/ASSIST;N-WayFrequencyTable^Untitle-d?■Lhbje；］ -REQUIRED- |別丘就d&h;雖SAS/ASSIST;N-WayFrequencyTable^Untitle-d?■Lhbje；］ -REQUIRED- |別丘就d&h;|NOAnalysiscolumns：-REQUIRED-Crosstabulations：-REQUIRED-Additionsil口ptiansColurnn11J°umn234511..2-再單擊，選擇eyes*hair，二維分析。ftdditionaIoptions最后單擊再單擊，選擇eyes*hair，二維分析。ftdditionaIoptions最后單擊提交。，選擇weightcolumn加權(quán)變量,選擇count變量。AnalysistoIumns:單擊 ，選擇eyes和hair，注意選擇順序，先選擇的為行變量，后選擇的為列變量，只選擇一個(gè)的話則為一維表。Crosstabulationm3)應(yīng)用analyst模塊：選擇statistics|descriptive|frequencycounts彈出如下：選擇eyes和hair變量，單擊tables默認(rèn)第一個(gè)，輸出頻數(shù)，百分?jǐn)?shù)以及他們的累計(jì)值。在單擊variables，彈出:選擇count。提交。注:該模塊只能輸出一維表結(jié)果如下:eyesPercentCumu1曰七i*巳FrequencyCumLi1at-ivePercenteyesFrec|uencyblue21445.7521045.75brown9320.26303ES.01greenise33.99459hairCumu1ativeCumulativehairFrequencyPercentFrequencyPercentdark10623.09106Z3.09fair14631.8125254.9^mediumIE.9933071.90red12928.10459100.00若想用analyst模塊輸出二維表，則需選擇Statistics|tablesanaylsis彈出;選擇eyes作為行變量，hair作為列變量，co