exam_test7.Rmd - -title"Exam test 7 output...

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--- title: "Exam test 7" output: pdf_document --- ```{r } library(ggplot2) library(GGally) ``` ```{r} ggplot(data = diamonds) + geom_bar(mapping = aes(x = cut, fill = clarity), position = "dodge") ``` ```{r} ggplot(data = mpg, mapping = aes(x = cty, y = hwy)) + geom_jitter() ``` ```{r} aburl = ' - databases/abalone/abalone.data' abnames = c('sex','length','diameter','height','weight.w','weight.s','weight.v','weight.sh ','rings') abalone = read.table(aburl, header = F , sep = ',', col.names = abnames) test = read.table("abalone.data", header = F , sep = ',') summary (abalone) summary (test) ``` ## R Markdown ```{r} abalone$sex = factor(abalone$sex, c("I", "F", 'M')) summary (abalone) abalone[abalone$height==0,] ```
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