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typo fix for ps3 worked solution

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aaronshaw
2019-04-24 09:52:14 -05:00
parent 50724a2c34
commit 516f336f4e
2 changed files with 5 additions and 5 deletions
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6
problem_sets/week_03/ps3-worked_solution.Rmd
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@@ -29,7 +29,7 @@ Now, I'll go ahead and load the CSV file into R. As with last week, I'll do this
### list.files("data/week_03") # just take a look around
### w3.data <- read.csv("data/week_03/group_01.csv")
w3.data <- read.csv(url("https://communitydata.cc/~ads/teaching/2019/stats/data/week_03/group_02.csv"))
w3.dtata <- read.csv(url("https://communitydata.cc/~ads/teaching/2019/stats/data/week_03/group_02.csv"))
```
### PC3. Get to know your data!
@@ -143,7 +143,7 @@ Inspecting the first few values returned by `head()` gave you a clue. Rounded to
I can create a table comparing the sorted rounded values to check this.
```{r}
table(sort(round(w2.data, 6)) == sort(round(w3.data$x, 6)))
table(round(w2.data,6) == round(w3.data$x,6))
```
Can you explain what each piece of that last line of code is doing?
@@ -200,7 +200,7 @@ head(w3.data)
lapply(w3.data, summary)
### Run this line again to assign the new dataframe to p
p <- ggplot(w3.data, aes(x=x, y=y))
p <- ggplot(data=w3.data, mapping=aes(x=x, y=y))
p + geom_point(aes(color=j, size=l, shape=k))
```