exam_test2.Rmd - -title"Exam test 4 output...

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--- title: "Exam test 4" output: pdf_document --- ```{r } library(ggplot2) #install.packages("tidyverse") library(tidyverse) data("mtcars") library(reshape2) head(mtcars) dim(mtcars) data("diamonds") ?data test = diamonds ggplot(test, aes(x=color, y = price))+ geom_boxplot() ``` ```{r} ggplot(data = diamonds) + geom_bar(mapping = aes(x = cut, fill = clarity), position = "dodge") ``` ```{r} library(ggplot2) data("mtcars") head(mtcars) summary(mtcars) mtcars$am = factor(mtcars$am) ggplot(data = mtcars)+ geom_point(aes(hp, mpg, shape = am)) ``` ## R Markdown ```{r} library(GGally) data("mpg") head(mpg) summary (mtcars) mtcars$am = factor(mtcars$am) mtcars$vs = factor(mtcars$vs) ggplot(mtcars, aes(wt, mpg))+ geom_point()+ #geom_smooth(aes(wt, mpg))+ facet_grid(vs~am)+ geom_smooth(method = "lm")
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