1
00:00:00,333 --> 00:00:02,166


2
00:00:02,166 --> 00:00:08,566
Hello and welcome to a module on box plots in Python. First let's load in some data and we'll import all the libraries

3
00:00:08,566 --> 00:00:08,599


4
00:00:08,600 --> 00:00:14,700
we'll be using. We're not going to talk about these first two libraries very much because we've talked about them already

5
00:00:14,700 --> 00:00:14,733


6
00:00:14,733 --> 00:00:20,299
and we've used them in a couple of assignments by now. But these are how you load in your data.

7
00:00:20,300 --> 00:00:21,400


8
00:00:21,400 --> 00:00:27,733
The next library that we're importing is Matplotlib.pyplot and we're importing that as PLT to make it easier

9
00:00:27,733 --> 00:00:33,933
for us to use in our code below. That way we don't have to type Matplotlib.pyplot

10
00:00:33,933 --> 00:00:34,266


11
00:00:34,266 --> 00:00:40,399
over and over. So the next lines of code we have here are just

12
00:00:40,400 --> 00:00:46,566
mounting our drive, setting our file path, and then reading that file path into a data frame that we are calling

13
00:00:46,566 --> 00:00:52,666
DF. I've already printed out the head of that data down below. So you can see that we're just using the class data again

14
00:00:52,666 --> 00:00:52,699


15
00:00:52,700 --> 00:00:58,733
this time. We're going to make a box and whisker plot for DV. So let's go ahead

16
00:00:58,733 --> 00:01:05,333
and do that. To create the box plot, all we have to do is call plt.boxplot.

17
00:01:05,333 --> 00:01:05,499


18
00:01:05,500 --> 00:01:11,566
Pretty simple. We tell it what variable we'd like to use. In this case, we're

19
00:01:11,566 --> 00:01:11,599


20
00:01:11,600 --> 00:01:17,666
using the variable DV from our data frame df. We are going to set patch artist equal to

21
00:01:17,666 --> 00:01:17,699


22
00:01:17,700 --> 00:01:23,933
true, because we'd like to fill in our box plot with color. If you want to just an outline for your box plot,

23
00:01:23,933 --> 00:01:29,999
you would set this to false or ignore it entirely, because by default, it is set to false.

24
00:01:30,000 --> 00:01:32,333


25
00:01:32,333 --> 00:01:38,499
This next line lets it know what color we would like to fill in our box plot

26
00:01:38,500 --> 00:01:44,533
with. Next, we'll add a title. plt.title will

27
00:01:44,533 --> 00:01:44,566


28
00:01:44,566 --> 00:01:50,699
add a title to your box plot. plt.ylabel will set a y label for your box plot and plt.xlabel

29
00:01:50,700 --> 00:01:56,833
would set the x label but we're not going to set one today. Last, not

30
00:01:56,833 --> 00:02:01,933
least, we use plt.show to actually show the box plot. So let's go ahead and run it.

31
00:02:01,933 --> 00:02:07,066


32
00:02:07,066 --> 00:02:12,499
Okay, there we have it, a sky blue box and whisker plot. That's pretty much all there is to it.