id | submission_type | answer
--- | --- | ---
tutorial-id | none | introduction
information-name | question | Ivy Spratt
information-email | question | ivyspratt@gmail.com
what-you-will-learn-2 | exercise | library()
what-you-will-learn-3 | exercise | ?sqrt
what-you-will-learn-4 | exercise | ?diamonds
looking-at-data-4-b | question | A dataset containing the prices and other attributes of almost 54,000 diamonds. The variables are as follows:
what-you-will-learn-5 | exercise | x<-sqrt(144)
what-you-will-learn-6 | exercise | diamonds
what-you-will-learn-7 | exercise | print(diamonds)
what-you-will-learn-8 | exercise | print(diamonds,n=3)
what-you-will-learn-9 | exercise | glimpse(diamonds)
what-you-will-learn-10 | exercise | summary(diamonds)
what-you-will-learn-11 | exercise | sqrt(144) #i love nora
how-this-book-is-organized-1 | exercise | glimpse(mpg)
how-this-book-is-organized-2 | exercise | ggplot(data=mpg)
how-this-book-is-organized-3 | exercise | ggplot(data=mpg) mapping=aes()
how-this-book-is-organized-4 | exercise | ggplot(data=mpg) mapping=aes(x=displ,y=hwy)
how-this-book-is-organized-5 | exercise | ggplot(data=mpg, mapping=aes(x=displ,y=hwy))+geom_point()
how-this-book-is-organized-6 | exercise | ggplot(data=mpg, mapping=aes(x=displ,y=hwy))+geom_point(alpha=0.5)
how-this-book-is-organized-7 | exercise | ggplot(data=mpg, mapping=aes(x=displ,y=hwy))+geom_point(alpha=0.5,color="steelblue")
how-this-book-is-organized-8 | exercise | ggplot(data=mpg, mapping=aes(x=displ,y=hwy))+geom_point(alpha=0.5,color="steelblue")+labs(title="Measurements for Engine Displacement and Highway Fuel Efficiency of Select Car Models", subtitle="Cars with greater enginer displacement are less fuel efficient",x="Engine Displacement (L)", y="Highway Efficiency (mpg)", caption="EPA (2008)")
running-r-code-1 | exercise | gss_cat
running-r-code-2 | question | A sample of categorical variables from the General Social survey
running-r-code-3 | exercise | gss_cat|>print()
running-r-code-4 | exercise | gss_cat|>filter(age > 88)
running-r-code-5 | exercise | gss_cat|>filter(age > 88)|>select(age, marital, race, relig, tvhours)
running-r-code-6 | exercise | gss_cat|>filter(age > 88)|>select(age, marital, race, relig, tvhours)|>arrange(desc(tvhours))
download-answers | question | 25