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1、成绩：94SPSS与证券投资分析摘要：SPSS软件作为全球专业统计软件的领导者，具备强大的统计分析功能，在各行各业均有深入广泛的应用。而证券投资离不开浩如烟海的数据，更需要复杂，高深的统计技术，正是SPSS大显身手之处。本文将基于SPSS13.0版本，将证券投资关注的几个问题，包括股票收益的分析，同一公司股票收益情况差异分析，不同公司，不同时间收益情况差异分析，股票的归类，判别，每股收益的估计，预测等等，在SPSS上予以实现，并从中获得有益的结论。关键字：SPSS股票证券收益1股票收益情况分析在证券投资分析中，我们首先关心的当然是整个股票市场的收益情况。了解清楚一段时内股票行情的走势
2、，收益率的数字特征等等有助于我们作出正确决策或进一步进行分析。为此，我们收集了2005年2月16日至2005年12月6日共199个交易日的资料，如表1.1所示：表1.1股票市场交易行情交易日涨跌幅开盘价收盘价成交量成交额最高价最低价2005-2-160.00221,276.021,278.8815,495,547.00805,143.751,291.471,270.322005-2-17-0.00301,280.031,276.1311,758,896.00613,957.541,280.031,263.712005-2-18-0.01311,275.661,258.9711,168
3、,799.00581,838.311,278.621,258.562005-2-210.01981,259.531,284.4813,208,712.00697,598.881,284.941,259.512005-2-220.01841,285.631,309.2823,754,829.001,285,156.871,312.531,282.782005-2-23-0.00011,309.621,309.4837,516,657.001,485,434.671,316.591,299.152005-2-240.00221,307.041,309.9525,144,256.001,1
4、78,464.831,310.971,296.982005-2-250.00081,311.371,312.4529,964,602.001,448,264.771,328.531,311.212005-2-28-0.00411,311.441,306.0020,024,188.001,044,340.631,315.141,298.932005-3-1-0.00141,305.251,303.4116,556,229.00819,663.841,308.761,295.642005-3-2-0.01221,303.311,287.4521,793,505.001,101,243.6
5、21,316.721,285.922005-3-30.00711,285.201,294.3414,283,462.00709,946.031,295.251,276.882005-3-4-0.00501,294.161,287.7112,677,368.00640,407.201,299.601,286.482005-3-70.00411,288.411,293.7412,321,074.00641,216.301,296.881,287.742005-3-80.01541,298.251,318.2721,855,230.001,148,188.391,318.901,296.9
6、12005-3-9-0.00331,321.211,316.7923,269,382.001,244,960.041,326.081,310.242005-3-10-0.02331,316.901,286.2322,283,553.001,090,049.401,316.901,282.532005-3-110.00421,284.511,289.9417,025,294.00920,376.691,292.531,278.152005-3-140.00351,288.991,293.5022,120,362.001,224,506.361,304.111,271.512005-3-
7、15-0.01861,293.131,269.1419,599,458.00999,567.371,293.261,266.642005-3-16-0.00901,267.051,255.5916,746,570.00857,348.291,268.191,247.892005-3-17-0.01001,255.991,243.4814,868,698.00796,676.761,257.791,242.512005-3-18-0.01211,242.45
