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library(ggplot2)# 绘制频数分布图qplot(data,geom="histogram",bins=30,fill=I("blue"),main="Frequency Distribution Plot") 1. 2. 3. 4. 3.3 输出图表 最后,我们可以将绘制好的频数分布图保存为图片或直接展示在RStudio中。示例代码如下: # 保存为图片ggsave("frequency_distribution_plot.png")# 直接展...
The cumulative frequency distribution of a quantitative variable is a summary of data frequency below a given level. ExampleIn the data set faithful, the cumulative frequency distribution of the eruptions variable shows the total number of eruptions whose durations are less than or equal to a set ...
The frequency distribution of the eruption duration is: > duration.freq duration.cut [1.5,2) [2,2.5) [2.5,3) [3,3.5) [3.5,4) [4,4.5) [4.5,5) 51 41 5 7 30 73 61 [5,5.5) 4 Enhanced Solution We apply thecbindfunction to print the result in column format. ...
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matrix(FSIdata[,c(2,3,4,5,6)]) # function to calculate population stddev sd.p=function(x){sd(x)*sqrt((length(x)-1)/length(x))} # formula to calculate pearson's kurtosis kurtosis_Pearson <- function(x) { n <- length(x) m <- mean(x) v <- sd.p(x) mean(((x - m)/...
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However, the behavior of these functions is different when they can't find the necessary package: library() throws an error and stops the program execution, while require() outputs a warning and continues the program execution. 7. How to create a data frame in R? 1. From one or more ...
To DS/From DS:标识帧是否来自和去往一个分布式系统(Distribution System,其实就是指AP)。例如都为1,表示AP到AP之间的帧。 More Frag:表示是否有后续分片传送。 Retry:表示帧是否重传,用来协助接收端排除重复帧。 Pwr Mgmt:表示STA发送完成当前帧序列后将要进入的模式,Active或Sleep。
Table 6-4 Power supply and distribution system troubleshooting Symptom Possible Cause Measure The power input to the downstream device is abnormal. The switch trips abnormally. The UPS is faulty. Use a multimeter to check whether there is a short circuit. Turn on the switch again, and ch...