概率论与数理统计及其应用实验报告1Word文档格式.docx
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write.table（x,file="
成绩单.txt"
）
apply（x,2,mean）[c（"
）]单科的平均分
数学分析高等代数解析几何
86.94079.62081.935
apply（x,2,max）[c（"
）]求单科最高分
100100100
apply（x,2,min）[c（"
）]求单科最低分
755932
x$学号[which.max（总分）]求总分最高的同学的学号
201711142
hist（x$数学分析）
hist（x$高等代数）
hist（x$解析几何）
散点图
plot（x$高等代数,x$数学分析）
plot（x$高等代数,x$解析几何）
plot（x$数学分析,x$解析几何）
>
barplot（table（x$数学分析））
barplot（table（x$高等代数））
barplot（table（x$解析几何））
pie（table（x$数学分析））
pie（table（x$高等代数））
pie（table（x$解析几何））
boxplot（x$数学分析,x$高等代数,x$解析几何,col=c（"
red"
green"
blue"
notch=T））
stars（x[c（"
）],full=T,draw.segment=T）
stem（x$数学分析）
74|000000
76|00000000000000
78|000000000000000000000
80|00000000000000
82|000000000000000
84|000000000000000000000000
86|0000000000000000
88|0000000000000000
90|000000000000
92|0000000000
94|00000000000000000000
96|0000000000
98|0000000000000000000
100|000
stem（x$高等代数）
62|0
64|
66|00000
68|000000000
70|0000
72|000000000000000000
74|00000000000000000000
76|0000000000000000
78|000000000000000
80|000000000000000000000000000000
82|00000000000000000
84|000000000000
86|0000000000000000000000000
88|0000000000000
90|0000000
92|0000
94|0
96|00
98|
100|0
stem（x$解析几何）
2|2
2|
3|
3|7
4|
4|66689
5|124
5|556668899
6|2222223334444
6|55566677888899999
7|00001122333444
7|55555666777888889999
8|000001112222222333333334444
8|55555555666666777888899
9|000000011111222233344
9|555666667889999
10|0000000000000000000000000000000
qqnorm（高等代数）
qqline（高等代数）
qqnorm（数学分析）
qqline（数学分析）
qqnorm（解析几何）
qqline（解析几何）
5、实验心得：
通过这次实验我在编写的程序中大概清楚了R语言的运行模式以及基本语法规则，虽然在一开始的时候不会使用程序副本在编写程序及程序拷贝的过程中遇到了很多不必要的麻烦浪费了一些时间但是这并不影响我的各项操作以及得到实验结果。
同时，在这次实验中，我也明白了数据分析是怎么样的一个过程和模式，这令我非常开心，又一次开始学习一门新的计算机语言也令我非常有成就感。
升级会员 