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1、4 X,实验报告学号20191106078姓名龚永好上机地点信-506专业电子信息工程班级电信1902班时间2022年5月5日上机内容实验一：Python数据挖掘环境搭建一、实验目的及要求目的：学会安装Python软件，学会安装第三方扩展库，建立开发环境，学会使用Python数据分析 工具。要求：1 .完成Python及numpy、pandas scipy matplotlib等第三方库的安装，画出安装流程图并备 注考前须知。2 .完成数据集中趋势统计，计算均值、中位数和众数。3 .完成数据离散趋势统计，计算极差、四分位数、四分位距、五数概括、方差和标准差、DataFrame描述性统计，画出画
2、箱线图。4 .完成数据基本统计图，画出条形图、饼状图、折线图、直方图、散点图、分位数-分位数图。二、实验设备(环境)及要求1 .硬件要求：CPU在2.0 GHz以上，内存在4G以上，建议8G。2 .软件要求：Widows7系统及以上系统，Anaconda编译环境。三、实验内容(-)Python安装及第三方库的安装与检查数据挖掘理论与实践指导教师：向前 SNr (Python 36 .D & E is A 国目-TG MU 餐津 B X Z 1-10 9Ti-isG”日1#coding: utf-831-1656 QI7print(Ql)|np.percentile(feature_l,0.25
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14、 6 import matplotlib.pyplot as pit 7 pit.boxplot(xfeature_l)-8 plt.ylabel( values of iris_data.feature_nanes0)-9 pit.xlabel(iris_data.feature_names9) 10 plt.show() 11 from pandas import DataFrane12 iris df = DataFrane(iris_data.data, columns=iris_data.feature names) 13fig, axes plt.subplots(l,4)14 i
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20、 load_iri$8 iris_data = load_iris()9 feature=iris_data.data:,0ie1112 var = np.var(feature_l)13 var1415#斫有密堂专16var_all = np.var(iris_data.data, axis=0)17 var_all18 一19 print(var_all)|3e Edit Search Source gun Qebug Cflmolei projects Jools Jfiew *lp注个WPTEgLEh an”到，X?ytho占 Cmiio1 1/aQC.7 6.7 6.3 C.5 6i
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