MATLAB数学建模经典案例实战061187-01.rar_MATLAB数学建模经典案例实战

<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta charset="utf-8"> <meta name="generator" content="pdf2htmlEX"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css"> <link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css"> <link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/625d03a1be9ad24cfa72da32/raw.css"> <script src="https://static.pudn.com/base/js/compatibility.min.js"></script> <script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script> <script> try{ pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({}); }catch(e){} </script> <title></title> </head> <body> <div id="sidebar" style="display: none"> <div id="outline"> </div> </div> <div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/625d03a1be9ad24cfa72da32/bg1.jpg"><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0"> </span></div><div class="t m0 x2 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0"><span class="fc1 sc0"> </span></div><div class="t m0 x3 h3 y3 ff2 fs1 fc0 sc0 ls0 ws0">第</div><div class="t m0 x4 h4 y4 ff3 fs1 fc0 sc0 ls0 ws0">3</div><div class="t m0 x5 h3 y3 ff2 fs1 fc0 sc0 ls0 ws0">章</div><div class="t m0 x6 h5 y4 ff1 fs1 fc0 sc0 ls1 ws0"> <span class="ff3 ls2">SPSS</span></div><div class="t m0 x7 h3 y3 ff2 fs1 fc0 sc0 ls3 ws0">基础知识</div><div class="t m0 x8 h5 y4 ff1 fs1 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h6 y5 ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 xa h7 y6 ff4 fs2 fc0 sc0 ls5 ws0">是世界上最早的统计分析软<span class="_ _0"></span>件，<span class="_ _1"></span>由美国斯坦福大学的三位<span class="_ _0"></span>研究生</div><div class="t m0 xb h6 y5 ff1 fs2 fc0 sc0 ls6 ws1">Norman H. Nie</div><div class="t m0 xc h7 y6 ff4 fs2 fc0 sc0 ls0 ws0">、</div><div class="t m0 xd h6 y7 ff1 fs2 fc0 sc0 ls7 ws2">C. Hadlai Hull</div><div class="t m0 xe h7 y8 ff4 fs2 fc0 sc0 ls0 ws0">和</div><div class="t m0 xf h6 y7 ff1 fs2 fc0 sc0 ls8 ws3">Dale H. Bent</div><div class="t m0 x10 h7 y8 ff4 fs2 fc0 sc0 ls0 ws0">于</div><div class="t m0 x11 h6 y7 ff1 fs2 fc0 sc0 ls9 ws0">1968</div><div class="t m0 x12 h7 y8 ff4 fs2 fc0 sc0 ls5 ws0">年研究开发成功，<span class="_ _2"></span>同时成立了</div><div class="t m0 x13 h6 y7 ff1 fs2 fc0 sc0 lsa ws0">SPSS</div><div class="t m0 x14 h7 y8 ff4 fs2 fc0 sc0 ls0 ws0">公司，<span class="_ _3"></span>并于</div><div class="t m0 x15 h6 y7 ff1 fs2 fc0 sc0 ls9 ws0">1975</div><div class="t m0 xd h7 y9 ff4 fs2 fc0 sc0 ls5 ws0">年成立法人组织，在芝加<span class="_ _0"></span>哥组建了</div><div class="t m0 x16 h6 ya ff1 fs2 fc0 sc0 lsa ws0">SPSS</div><div class="t m0 x17 h7 y9 ff4 fs2 fc0 sc0 ls0 ws0">总部。</div><div class="t m0 x18 h6 ya ff1 fs2 fc0 sc0 ls9 ws0">1984</div><div class="t m0 x19 h7 y9 ff4 fs2 fc0 sc0 ls0 ws0">年</div><div class="t m0 x1a h6 ya ff1 fs2 fc0 sc0 lsa ws0">SPSS</div><div class="t m0 x1b h7 y9 ff4 fs2 fc0 sc0 ls5 ws0">总部推出了世界上第一个统</div><div class="t m0 xd h7 yb ff4 fs2 fc0 sc0 ls5 ws0">计分析软件微机版本</div><div class="t m0 x1c h6 yc ff1 fs2 fc0 sc0 lsb ws0">SPSS/PC+</div><div class="t m0 x1d h7 yb ff4 fs2 fc0 sc0 lsc ws0">，开<span class="_ _4"> </span>创<span class="_ _4"> </span>了</div><div class="t m0 x1e h6 yc ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 x1f h7 yb ff4 fs2 fc0 sc0 ls5 ws0">微机系列产品的开发方向，<span class="_ _3"></span>极大地扩充了它</div><div class="t m0 xd h7 yd ff4 fs2 fc0 sc0 ls5 ws0">的应用范围，并使其能很<span class="_ _0"></span>快地应用于自然科学、技术科<span class="_ _0"></span>学和社会科学的各个领域。<span class="_ _0"></span>世界上</div><div class="t m0 xd h7 ye ff4 fs2 fc0 sc0 ls5 ws0">许多有影响的报刊杂志纷<span class="_ _0"></span>纷就</div><div class="t m0 x20 h6 yf ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 x21 h7 ye ff4 fs2 fc0 sc0 ls5 ws0">的自动统计绘图、数据的深入<span class="_ _0"></span>分析、使用方便和功能</div><div class="t m0 xd h7 y10 ff4 fs2 fc0 sc0 ls5 ws0">齐全等方面给予了高度的<span class="_ _0"></span>评价。</div><div class="t m0 x22 h6 y11 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h7 y12 ff4 fs2 fc0 sc0 ls5 ws0">学习目标：</div><div class="t m0 x23 h6 y13 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x24 h7 y14 ff4 fs2 fc0 sc0 ls0 ws0">（</div><div class="t m0 x25 h6 y15 ff1 fs2 fc0 sc0 ls0 ws0">1</div><div class="t m0 x26 h7 y14 ff4 fs2 fc0 sc0 ls5 ws0">）零起步学习</div><div class="t m0 x1c h6 y15 ff1 fs2 fc0 sc0 lsd ws4">SPSS 19.0</div><div class="t m0 x27 h7 y14 ff4 fs2 fc0 sc0 ls0 ws0">软件，了解和掌握</div><div class="t m0 x28 h6 y15 ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 x1a h7 y14 ff4 fs2 fc0 sc0 ls5 ws0">基本功能；</div><div class="t m0 x13 h6 y15 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x24 h7 y16 ff4 fs2 fc0 sc0 ls0 ws0">（</div><div class="t m0 x25 h6 y17 ff1 fs2 fc0 sc0 ls0 ws0">2</div><div class="t m0 x26 h7 y16 ff4 fs2 fc0 sc0 ls5 ws0">）学习</div><div class="t m0 x29 h6 y17 ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 x2a h7 y16 ff4 fs2 fc0 sc0 ls5 ws0">图形绘制，并能结合实例进行<span class="_ _0"></span>应用求解；</div><div class="t m0 x2b h6 y17 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x24 h7 y18 ff4 fs2 fc0 sc0 ls0 ws0">（</div><div class="t m0 x25 h6 y19 ff1 fs2 fc0 sc0 ls0 ws0">3</div><div class="t m0 x26 h7 y18 ff4 fs2 fc0 sc0 ls5 ws0">）学习</div><div class="t m0 x29 h6 y19 ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 x2a h7 y18 ff4 fs2 fc0 sc0 ls5 ws0">进行回归分析，并能结合实例<span class="_ _0"></span>进行应用求解；</div><div class="t m0 x2c h6 y19 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x24 h7 y1a ff4 fs2 fc0 sc0 ls0 ws0">（</div><div class="t m0 x25 h6 y1b ff1 fs2 fc0 sc0 ls0 ws0">4</div><div class="t m0 x26 h7 y1a ff4 fs2 fc0 sc0 ls5 ws0">）学习</div><div class="t m0 x29 h6 y1b ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 x2a h7 y1a ff4 fs2 fc0 sc0 ls5 ws0">进行因子分析，并能结合实例<span class="_ _0"></span>进行应用求解；</div><div class="t m0 x2c h6 y1b ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x24 h7 y1c ff4 fs2 fc0 sc0 ls0 ws0">（</div><div class="t m0 x25 h6 y1d ff1 fs2 fc0 sc0 ls0 ws0">5</div><div class="t m0 x26 h7 y1c ff4 fs2 fc0 sc0 ls5 ws0">）学习</div><div class="t m0 x29 h6 y1d ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 x2a h7 y1c ff4 fs2 fc0 sc0 ls5 ws0">进行系统聚类分析，并能结合<span class="_ _0"></span>实例进行应用求解。</div><div class="t m0 x2d h6 y1d ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x2e h8 y1e ff1 fs3 fc0 sc0 lse ws5">3.1 </div><div class="t m0 x2f h9 y1f ff5 fs3 fc0 sc0 lsf ws0">数据的输入和保存</div><div class="t m0 x30 h8 y1e ff1 fs3 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h7 y20 ff4 fs2 fc0 sc0 ls0 ws0">当打开</div><div class="t m0 x31 h6 y21 ff1 fs2 fc0 sc0 ls10 ws6">SPSS 19.0</div><div class="t m0 x32 h7 y20 ff4 fs2 fc0 sc0 ls0 ws0">后，界面如图</div><div class="t m0 x21 h6 y21 ff1 fs2 fc0 sc0 ls11 ws0">3-1</div><div class="t m0 x33 h7 y20 ff4 fs2 fc0 sc0 ls0 ws0">所示。</div><div class="t m0 x34 h6 y21 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x35 ha y22 ff2 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x36 hb y23 ff4 fs0 fc0 sc0 ls0 ws0">图<span class="_ _5"> </span><span class="ff1 ls12 ws7">3-1 SPSS <span class="_ _6"></span>19.0<span class="_ _5"> </span><span class="ff4 ls0 ws0">界面<span class="ff1"> </span></span></span></div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div> </body> </html>

<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/625d03a1be9ad24cfa72da32/bg2.jpg"><div class="t m0 x36 hb y24 ff4 fs0 fc0 sc0 ls0 ws0">第<span class="_ _5"> </span><span class="ff1">1<span class="_"> </span></span>篇<span class="ff1 ls13"> </span>数字建模基础<span class="ff1"> </span></div><div class="t m0 x2 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 xd hb y25 ff4 fs0 fc0 sc0 ls0 ws0">·<span class="ff1">92</span>·<span class="ff1"> </span></div><div class="t m0 x9 h7 y26 ff4 fs2 fc0 sc0 ls5 ws0">界面包括变量视图和数据<span class="_ _0"></span>视图。变量视图，常用语对变<span class="_ _0"></span>量进行设置，可以写名称、<span class="_ _0"></span>设</div><div class="t m0 xd h7 y27 ff4 fs2 fc0 sc0 ls5 ws0">置数据类型和数据精度等<span class="_ _0"></span>，数据视图则为用户输入的数<span class="_ _0"></span>据。</div><div class="t m0 x37 h6 y28 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h7 y29 ff4 fs2 fc0 sc0 ls5 ws0">单击“变量视图”按钮，<span class="_ _0"></span>进行变量的命名、数据精度设<span class="_ _0"></span>置和数据类型设置等等，具<span class="_ _0"></span>体</div><div class="t m0 xd h7 y2a ff4 fs2 fc0 sc0 ls0 ws0">如图</div><div class="t m0 x38 h6 y2b ff1 fs2 fc0 sc0 ls14 ws0">3-2</div><div class="t m0 x39 h7 y2a ff4 fs2 fc0 sc0 ls5 ws0">所示。</div><div class="t m0 x3a h6 y2b ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3b ha y2c ff2 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3c hb y2d ff4 fs0 fc0 sc0 ls0 ws0">图<span class="_ _5"> </span><span class="ff1 ls15 ws8">3-2 </span><span class="ls16">变量命名</span><span class="ff1"> </span></div><div class="t m0 x9 h7 y2e ff4 fs2 fc0 sc0 ls5 ws0">单击<span class="_ _7"></span>“保存”<span class="_ _7"></span>按钮，<span class="_ _7"></span>实现该数据分析文件的保<span class="_ _0"></span>存，<span class="_ _7"></span>弹出相应的数据输出窗口，<span class="_ _3"></span>如图</div><div class="t m0 x3d h6 y2f ff1 fs2 fc0 sc0 ls17 ws0">3-3</div><div class="t m0 xd h7 y30 ff4 fs2 fc0 sc0 ls0 ws0">所示。</div><div class="t m0 x26 h6 y31 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3e ha y32 ff2 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3f hb y33 ff4 fs0 fc0 sc0 ls0 ws0">图<span class="_ _5"> </span><span class="ff1 ls15 ws8">3-3 </span><span class="ls16">数据输出窗口</span><span class="ff1"> </span></div><div class="t m0 x9 h7 y34 ff4 fs2 fc0 sc0 ls5 ws0">在数据视图中，输入相应<span class="_ _0"></span>的</div><div class="t m0 x40 hc y35 ff6 fs2 fc0 sc0 ls0 ws0">x</div><div class="t m0 x41 h7 y34 ff4 fs2 fc0 sc0 ls0 ws0">和</div><div class="t m0 x3c hc y35 ff6 fs2 fc0 sc0 ls0 ws0">y</div><div class="t m0 x42 h7 y34 ff4 fs2 fc0 sc0 ls5 ws0">对应的数值，如图</div><div class="t m0 x43 h6 y35 ff1 fs2 fc0 sc0 ls11 ws0">3-4</div><div class="t m0 x2b h7 y34 ff4 fs2 fc0 sc0 ls0 ws0">所示。</div><div class="t m0 x44 h6 y35 ff1 fs2 fc0 sc0 ls0 ws0"> </div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>

<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/625d03a1be9ad24cfa72da32/bg3.jpg"><div class="t m0 x4 hb y24 ff4 fs0 fc0 sc0 ls0 ws0">第<span class="_ _5"> </span><span class="ff1">5<span class="_"> </span></span>章<span class="ff1 ls13"> </span>基于<span class="_ _5"> </span><span class="ff1 ls18">LINGO<span class="_"> </span></span>的基础理论及算法设计<span class="ff1"> </span></div><div class="t m0 x2 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x45 hb y25 ff4 fs0 fc0 sc0 ls0 ws0">·<span class="ff1">93</span>·</div><div class="t m0 x46 ha y36 ff2 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3c hb y37 ff4 fs0 fc0 sc0 ls0 ws0">图<span class="_ _5"> </span><span class="ff1 ls15 ws8">3-4 </span><span class="ls16">数据输入</span><span class="ff1"> </span></div><div class="t m0 x9 h6 y38 ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 xa h7 y39 ff4 fs2 fc0 sc0 ls5 ws0">软件集成了大量的函数调用<span class="_ _0"></span>功能，<span class="_ _8"></span>用户只需要进行简单的单击加<span class="_ _0"></span>载，<span class="_ _8"></span>即可完成数</div><div class="t m0 xd h7 y3a ff4 fs2 fc0 sc0 ls5 ws0">据的分析。</div><div class="t m0 x47 h6 y3b ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 x48 h7 y3a ff4 fs2 fc0 sc0 ls5 ws0">数据分析下拉菜单如图</div><div class="t m0 x49 h6 y3b ff1 fs2 fc0 sc0 ls14 ws0">3-5</div><div class="t m0 x4a h7 y3a ff4 fs2 fc0 sc0 ls5 ws0">所示。</div><div class="t m0 x4b h6 y3b ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x4c ha y3c ff2 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x4d hb y3d ff4 fs0 fc0 sc0 ls0 ws0">图<span class="_ _5"> </span><span class="ff1 ls19 ws9">3-5 SPSS<span class="_ _5"> </span></span><span class="ls16">数据分析下拉菜单<span class="_ _0"></span><span class="ff1 ls0"> </span></span></div><div class="t m0 x9 h7 y3e ff4 fs2 fc0 sc0 ls5 ws0">常用数据分析包括比较均<span class="_ _0"></span>值、一般线性模型、广义线性<span class="_ _0"></span>模型、回归分析、相关分析、</div><div class="t m0 xd h7 y3f ff4 fs2 fc0 sc0 ls5 ws0">神经网络、分类和降维等<span class="_ _0"></span>等。对于常见的数据分析问题<span class="_ _0"></span>，该菜单功能基本能够进行<span class="_ _0"></span>一定的</div><div class="t m0 xd h7 y40 ff4 fs2 fc0 sc0 ls5 ws0">初步分析，具体的回归分<span class="_ _0"></span>析包括自动线性模型、线性、<span class="_ _0"></span>曲线估计、部分最小平方和<span class="_ _0"></span>权重估</div><div class="t m0 xd h7 y41 ff4 fs2 fc0 sc0 ls5 ws0">计等，具体如图</div><div class="t m0 x4e h6 y42 ff1 fs2 fc0 sc0 ls14 ws0">3-6</div><div class="t m0 x4f h7 y41 ff4 fs2 fc0 sc0 ls5 ws0">所示。</div><div class="t m0 x50 h6 y42 ff1 fs2 fc0 sc0 ls0 ws0"> </div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>

<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/625d03a1be9ad24cfa72da32/bg4.jpg"><div class="t m0 x36 hb y24 ff4 fs0 fc0 sc0 ls0 ws0">第<span class="_ _5"> </span><span class="ff1">1<span class="_"> </span></span>篇<span class="ff1 ls13"> </span>数字建模基础<span class="ff1"> </span></div><div class="t m0 x2 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 xd hb y25 ff4 fs0 fc0 sc0 ls0 ws0">·<span class="ff1">94</span>·<span class="ff1"> </span></div><div class="t m0 x51 ha y43 ff2 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3c hb y44 ff4 fs0 fc0 sc0 ls0 ws0">图<span class="_ _5"> </span><span class="ff1 ls15 ws8">3-6 </span><span class="ls16">回归分析</span><span class="ff1"> </span></div><div class="t m0 x9 h7 y45 ff4 fs2 fc0 sc0 ls5 ws0">同样的对于相关分析，主<span class="_ _0"></span>要包括双变量、偏相关和距离<span class="_ _0"></span>相关等，如图</div><div class="t m0 x4c h6 y46 ff1 fs2 fc0 sc0 ls14 ws0">3-7</div><div class="t m0 x52 h7 y45 ff4 fs2 fc0 sc0 ls5 ws0">所示。</div><div class="t m0 x53 h6 y46 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x51 ha y47 ff2 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3c hb y48 ff4 fs0 fc0 sc0 ls0 ws0">图<span class="_ _5"> </span><span class="ff1 ls15 ws8">3-7 </span><span class="ls16">相关分析</span><span class="ff1"> </span></div><div class="t m0 x9 h7 y49 ff4 fs2 fc0 sc0 ls5 ws0">对于常见的预测分析，</div><div class="t m0 x50 h6 y4a ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 x54 h7 y49 ff4 fs2 fc0 sc0 ls5 ws0">同样给出序列图、<span class="_ _2"></span>季节性分解和自相关等分析方法，<span class="_ _2"></span>具体</div><div class="t m0 xd h7 y4b ff4 fs2 fc0 sc0 ls0 ws0">如图</div><div class="t m0 x38 h6 y4c ff1 fs2 fc0 sc0 ls14 ws0">3-8</div><div class="t m0 x39 h7 y4b ff4 fs2 fc0 sc0 ls5 ws0">所示。</div><div class="t m0 x3a h6 y4c ff1 fs2 fc0 sc0 ls0 ws0"> </div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>

<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/625d03a1be9ad24cfa72da32/bg5.jpg"><div class="t m0 x4 hb y24 ff4 fs0 fc0 sc0 ls0 ws0">第<span class="_ _5"> </span><span class="ff1">5<span class="_"> </span></span>章<span class="ff1 ls13"> </span>基于<span class="_ _5"> </span><span class="ff1 ls18">LINGO<span class="_"> </span></span>的基础理论及算法设计<span class="ff1"> </span></div><div class="t m0 x2 h2 y2 ff1 fs0 fc0 sc0 ls0 ws0"> </div><div class="t m0 x45 hb y25 ff4 fs0 fc0 sc0 ls0 ws0">·<span class="ff1">95</span>·</div><div class="t m0 x4c ha y4d ff2 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3c hb y4e ff4 fs0 fc0 sc0 ls0 ws0">图<span class="_ _5"> </span><span class="ff1 ls15 ws8">3-8 </span><span class="ls16">预测分析</span><span class="ff1"> </span></div><div class="t m0 x9 h7 y4f ff4 fs2 fc0 sc0 ls5 ws0">对于经济学、<span class="_ _2"></span>评价因子值和得分计算等问题<span class="_ _0"></span>，<span class="_ _2"></span>常涉及到相应的降维算法，<span class="_ _2"></span>即因子分析、</div><div class="t m0 xd h7 y50 ff4 fs2 fc0 sc0 ls1a ws0">对应分析和最优尺度等计<span class="_ _0"></span>算，</div><div class="t m0 x55 h6 y51 ff1 fs2 fc0 sc0 ls1b ws0">SPSS</div><div class="t m0 x6 h7 y50 ff4 fs2 fc0 sc0 ls1a ws0">在降维菜单下同样给出了<span class="_ _0"></span>对应的分析方法，<span class="_ _9"></span>如图</div><div class="t m0 x56 h6 y51 ff1 fs2 fc0 sc0 ls1c ws0">3-9</div><div class="t m0 x57 h7 y50 ff4 fs2 fc0 sc0 ls1d ws0">所示。</div><div class="t m0 x58 h6 y51 ff1 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x4c ha y52 ff2 fs2 fc0 sc0 ls0 ws0"> </div><div class="t m0 x3c hb y53 ff4 fs0 fc0 sc0 ls0 ws0">图<span class="_ _5"> </span><span class="ff1 ls15 ws8">3-9 </span><span class="ls16">降维分析</span><span class="ff1"> </span></div><div class="t m0 x9 h6 y54 ff1 fs2 fc0 sc0 ls4 ws0">SPSS</div><div class="t m0 xa h7 y55 ff4 fs2 fc0 sc0 ls5 ws0">应用分析方法很多，<span class="_ _2"></span>软件集成功能相当强大，<span class="_ _2"></span>用户可根据自己的需求，<span class="_ _2"></span>进行相应</div><div class="t m0 xd h7 y56 ff4 fs2 fc0 sc0 ls5 ws0">的设置，进行分析求解。</div><div class="t m0 x59 h6 y57 ff1 fs2 fc0 sc0 ls0 ws0"> </div></div><div class="pi" data-data='{"ctm":[1.611639,0.000000,0.000000,1.611639,0.000000,0.000000]}'></div></div>