R语言基础题及答案(四)——R语言与统计分析第四章课后习题(汤银才)

slandarer 发布时间：2021-09-15 18:28:44 ，浏览量：6

R语言与统计分析第四章课后习题(汤银才) 题-1

模拟得到1000个参数为0.3的贝努里分布随机数, 并用图示表示出来

# 为了更清晰显示密度，通过cex把点画小点
plot(rbinom(1000,1,0.3),cex=0.5)

在这里插入图片描述

题-2

用命令rnorm( )命令产生1000个均值为10, 方差为4的正态分布随机数,用直方图呈现数据的分布并添加核密度曲线.

rn


    
        
        
        
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