Your email address will not be published. Like the vline () function, the matplotlib axvline () is also used to draw vertical lines across the plot’s axes. The function takes parameters for specifying points in the diagram. Graphics #120 and #121 show you how to create a basic line chart and how to apply basic customization. Also, multiple Matplotlib vertical lines in Python can be implemented. You can plot data directly from your DataFrame using the plot() method: ... Line plot, multiple columns. import matplotlib.pyplot as plt import numpy as np x=np.arange(6) fig=plt.figure() ax=fig.add_subplot(111) ax.plot(x,x,c='b',marker="^",ls='--',label='Greedy',fillstyle='none') ax.plot(x,x+1,c='g',marker=(8,2,0),ls='--',label='Greedy Heuristic') ax.plot(x,(x+1)**2,c='k',ls='-',label='Random') ax.plot(x,(x … Errors are added only along the y-axis. The pyplot.plot() or plt.plot() is a method of matplotlib pyplot module use to plot the line.. Syntax: plt. The syntax for axvline function is : matplotlib.pyplot.axvline (x, color, xmin, xmax, linestyle). The x and y defined are the coordinates of the data points. Visualising ML DataSet Through Seaborn Plots and Matplotlib. 0. Result: Try it Yourself » You can also plot many lines by adding the points for the x- and y-axis for each line in the same plt.plot() function. show () This tutorial provides several examples of how to plot multiple lines in one chart using the following pandas DataFrame: Style Plots using Matplotlib. Matplotlib Line Plot. 1.1. linspace (0, 10, 100) y1 = np. plot ( x1, y1, label = "line 1") x2 = [10,20,30] y2 = [40,10,30] plt. Example: >>> plot(x1, y1, 'bo') >>> plot(x2, y2, 'go') Alternatively, if your data is already a 2d array, you can pass it directly to x, y. You do this by making two plt.plot() calls before calling plt.show(). Line charts are one of the many chart types it can create. To draw multiple lines we will use different functions which are as follows: This example is similar to the above example and the enhancement is the different line styles. A figure window can include one plot or multiple plots. Again, matplotlib has a built-in way of quickly creating such a legend. Parameter 1 is an array containing the points on the x-axis.. Parameter 2 is an array containing the points on the y-axis.. Mutually Exclusive Events. fig, ax = plt.subplots(1, figsize=(8, 6)) # Set the title for the figure fig.suptitle('Multiple Lines in Same Plot', fontsize=15) # Draw all the lines in the same plot, assigning a … In the above example, the matplotlib errorbar() function is used multiple times to plot multiple errorbar lines. Here we will use two lists as data with two dimensions (x and y) and at last plot the line. (In the … ... you are going to plot you can change the colours once you have plotted them retrieving the number directly from the plot using .lines, I use this solution: Some random data ... matplotlib how to plot multiple lines with defined colours? Statology is a site that makes learning statistics easy. For making a horizontal line we have to change the value of the x-axis continuously by taking the y-axis as constant. Without labels, the values portrayed don’t have any significance. This is well documented here.. In the above example, ‘x’ is 7, which accepts integers to mark the position in the x-axis to plot the line. In addition to a moniker, such as rainfall, you can also add units of measure, such as inches or centimeters, so that your audience knows how to interpret the data shown. So we change the axes to get a vertical line. It also supports additional parameters that give more options to control the appearance of the graph. The Matplotlib library has to be imported in the first place to use the matplotlib vertical line function. When multiple lines are being shown within a single axes, it can be useful to create a plot legend that labels each line type. Now think of a situation where we need to have multiple plots for explaining our data. You can simply call plt.plot() multiple times in a sequence before calling plt.show() and matplotlib will continue to draw each The Elementary Statistics Formula Sheet is a printable formula sheet that contains the formulas for the most common confidence intervals and hypothesis tests in Elementary Statistics, all neatly arranged on one page. Again, Matplotlib has a built-in way of quickly creating such a legend. 22, Dec 20. Our aim is to introduce the commonly used ‘plot styles’ and ‘features’ of the Matplotlib library, which are required for plotting the results obtained by the simulations or visualizing the data during machine learning process. To make so with matplotlib we just have to call the plot function several times (one time per group). To draw multiple lines we will use different functions which are as follows: y = x x = y y = sin (x) y = cos (x) Hence only ‘yerr’ is specified for each line. Description. import matplotlib.pyplot as plt import pandas as pd # gca stands for 'get current axis' ax = plt. Multiple Lines. Multiple Lines. Get the spreadsheets here: Try out our free online statistics calculators if you’re looking for some help finding probabilities, p-values, critical values, sample sizes, expected values, summary statistics, or correlation coefficients. pyplot as plt x1 = [10,20,30] y1 = [20,40,10] plt. After declaring the points of the X-axis and Y-axis, we are going to use the matplotlib library to plot the line plot for these points. When multiple lines are being shown within a single axes, it can be useful to create a plot legend that labels each line type. The problem is that it is really hard to read, and thus provide few insight about the data. pyplot as plt plt. To do such work we must follow the steps given below: In this example, we will learn how to draw a horizontal line with the help of matplotlib. Matplotlib has as simple notation to set the colour, line style and marker style using a coded text string, for example "r--" creates a red, dashed line. In matplotlib, a secondary y-axis sharing the same x-axis with another one is called a twin axis, and can be created using: twinax = ax.twinx(). Plot Multiple lines in Matplotlib. Let’s discuss some concepts: Here we will discuss some examples to draw a line or multiple lines with different features. If only three lines, it seems still easy, how if there are many lines, e.g: six lines. In the seaborn line plot blog, we learn how to plot one and multiple line plots with a real-time example using sns.lineplot() method. You can have multiple lines in a line chart, change color, change type of line and much more. What this function does is very much clear from the expanded form, which says that function deals with the plotting of the vertical lines across the axes. from matplotlib import pyplot as plt plt.plot([0,1,2,3,4]) plt.show() Notice that Matplotlib creates a line plot by default. You can display multiple lines in a single Matplotlib plot by using the following syntax: import matplotlib. 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In matplotlib, a secondary y-axis sharing the same x-axis with another one is called a twin axis, and can be created using: twinax = ax.twinx(). Finally, let's draw multiple data lines in a single plot. To do this, you can use the numbers for the public and premium tutorials. by Venmani A D | Posted on . After declaring the points of the X-axis and Y-axis, we are going to use the matplotlib library to plot the line plot for these points. Labels help people understand the significance of each axis of any graph you create. 23, Nov 20. The most straight forward way is just to call plot multiple times. A separate data set will be drawn for every column. The application that gave birth to matplotlib is an EEG viewer which must efficiently handle hundreds of lines; this is is available as part of the pbrain package. Place plots side by side in Matplotlib. The basic anatomy of a Matplotlib plot includes a couple of layers, each of these layers is a Python object: Figure object: The bottom layer. In this blog, you will learn how to draw a matplotlib line plot with different style and format. So as I said in the earlier section, we first need to have the code to draw multiple lines. close, link To make so with matplotlib we just have to call the plot function several times (one time per group). To begin with, your interview preparations Enhance your Data Structures concepts with the Python DS Course. view source print? Line charts work out of the box with matplotlib. Hence only ‘yerr’ is specified for each line. Example: >>> plot( [1, 2, 3], [1, 2, 3], 'go-', label='line 1', linewidth=2) >>> plot( [1, 2, 3], [1, 4, 9], 'rs', label='line 2') If you make multiple lines with one plot command, the kwargs apply to all those lines. import matplotlib.pyplot as plt from datetime import datetime % matplotlib inline Generate a Simple Line Plot ¶ We call the plot method and must pass in at least two arguments, the first our list of x-coordinates, and the second our list of y-coordinates. A figure window can include one plot or multiple plots. In our first example, we will create an array and passed to a log function. Errors are added only along the y-axis. The basic anatomy of a Matplotlib plot includes a couple of layers, each of these layers is a Python object: Figure object: The bottom layer. To plot multiple lines in Matplotlib, we keep on calling the matplotlib.pyplot.plot () function for each line and pass the line’s coordinates as an argument to the respective plot () function. 16, Dec 20. Learn more. This is well documented here.. For example, we have a dataset having temperature and rainfall rate as variables and we need to visualize the data. cos (x)*np. Matplotlib Line Plot. In the above example, the matplotlib errorbar() function is used multiple times to plot multiple errorbar lines. In this blog, you will learn how to draw a matplotlib line plot with different style and format.. A Spaghetti plot is a line plot with many lines displayed together. Matplotlib is a Python module for plotting. If you draw multiple line plots at once, matplotlib colors them differently. Line charts are one of the many chart types it can create. This page explains how to realise it with python and, more importantly, provide … Line charts work out of the box with matplotlib. Each line represents a set of values, for example one set per group. plot (df[' column2 ']) plt. The fill_between() function fills the space between two lines at a time, but we can select one pair of lines to fill the area between multiple lines. In this example, we will learn how to draw a horizontal line and a vertical line both in one graph with the help of matplotlib. Output: Method #2: Using vlines() matplotlib.pyplot.vlines() is a function used in the plotting of a dataset. Matplotlib: Graph/Plot a Straight Line ... We now plot multiple lines in the same graph, positioning the axes at the centre. axhline to Plot a Horizontal Line matplotlib.pyplot.axhline(y=0, xmin=0, xmax=1, hold=None, **kwargs) axhline plots a horizontal line at the position of y in data coordinate of the horizontal line, starting from xmin to xmax that should be between 0.0 and 1.0, where 0.0 is the far left of the plot and 1.0 is the far right of the plot. PyQtGraph - Getting Plot Item from Plot Window. Each line represents a set of values, for example one set per group. Matplotlib is a Python module that lets you plot all kinds of charts. fig, ax = plt.subplots(1, figsize=(8, 6)) # Set the title for the figure fig.suptitle('Multiple Lines in Same Plot', fontsize=15) # Draw all the lines in the same plot, assigning a label for each one to be # shown in the legend. fig, (ax1, ax2) = plt.subplots(2) fig.suptitle('Axes values are scaled individually by default') ax1.plot(x, y) ax2.plot(x + 1, -y) Out: [] You can use sharex or sharey to align the horizontal or vertical axis. So, in this example we merge the above both graphs to make both lines together in a graph. An easy tutorial on how to plot a straight line with slope and intercept in Python w/ Matplotlib. Line plot is a type of chart that displays information as a series of data points connected by straight line segments. Then, this new axis can be used to plot a different sequence, just like in a normal line plot: twinax.plot(x, y2, label='2nd y') Along with that used different method with different parameter. This is all about plotting simple functions in Matplotlib. import matplotlib.pyplot as plt from datetime import datetime % matplotlib inline Generate a Simple Line Plot ¶ We call the plot method and must pass in at least two arguments, the first our list of x-coordinates, and the second our list of y-coordinates. plt.plot() displays the line plot of input data. Required fields are marked *. The application that gave birth to matplotlib is an EEG viewer which must efficiently handle hundreds of lines; this is is available as part of the pbrain package. Here is that code we have from our earlier article: import matplotlib.pyplot as plt x = range(1, 10) plt.plot(x, [xi*1 for xi in x]) plt.plot(x, [xi*2 for xi in x]) plt.plot(x, [xi*3 for xi in x]) plt.show() Then, this new axis can be used to plot a different sequence, just like in a normal line plot: twinax.plot(x, y2, label='2nd y') Plotting multiple sets of data. How to Compute the Average of a Column of a MySQL Table Using Python? The following example shows how to add labels to your graph: values = [1, 5, 8, 9, 2, 0, 3, 10, 4, 7] import matplotlib.pyplo… Line Plot gives the advantage of visualizing the data in a quick and efficient manner. Plotting x and y points. Get the formula sheet here: Statistics in Excel Made Easy is a collection of 16 Excel spreadsheets that contain built-in formulas to perform the most commonly used statistical tests. What is line plot? So with our required datasets in place, we can start writing our code to draw different lines out of it. Plot multiple lines graph with label: plt.legend() method adds the legend to the plot. #plot individual lines with custom colors, styles, and widths, How to Calculate a Rolling Mean in Pandas, Mutually Inclusive vs. Think of the figure object as the figure window which contains the minimize, maximize, and close buttons. Related course: Matplotlib Examples and Video Course. plt.plot (x, [xi*1 for xi in x]) plt.plot (x, [xi*2 for xi in x]) plt.plot (x, [xi*3 for xi in x]) So these three lines of code is all that is required to draw 3 … plot (df[' column1 ']) plt. In this tutorial, Matplotlib library is discussed in detail, which is used for plotting the data. You can have multiple lines in a line chart, change color, change type of line and much more. This is all about plotting simple functions in Matplotlib. Notice that Matplotlib creates a line plot by default. pyplot as plt plt. Here is an example of how that application does multiline plotting with "in place" gain changes. Label Count; 0.00 - 3455.84: 3,889: 3455.84 - 6911.68: 2,188: 6911.68 - 10367.52: 1,473: 10367.52 - 13823.36: 1,863: 13823.36 - 17279.20: 1,097: 17279.20 - 20735.04 Time Series Plot or Line plot … Bar charts can be made with matplotlib. Here we will use two list as data with two dimensions (x and y) and at last plot the line with respect to the dimensions. Your email address will not be published. Matplotlib is a Python module for plotting. Logic is similar in both the ways - we will have a figure and we'll add multiple axes (sub-plots) on the figure one by one. You can plot multiple lines on one graph very simply: just pass x1, y1, [style1], x2, y2, [style2], ... For example: ... Reading, generating and plotting images in matplotlib is quite straightforward. Here we will use two lists as data with two dimensions (x and y) and at last plot the lines as different dimensions and functions over the same data. Line plots Matplotlib: Graph/Plot a Straight Line ... We now plot multiple lines in the same graph, positioning the axes at the centre. In this example, we will learn how to draw multiple lines with the help of matplotlib. The following code shows how to adjust the thickness of multiple lines at once: import matplotlib.pyplot as plt import numpy as np #define x and y values x = np.linspace(0, 10, 100) y1 = np.sin(x)*np.exp(-x/3) y2 = np.cos(x)*np.exp(-x/5) #create line plot with multiple lines plt.plot(x, y1, linewidth=3) plt.plot(x, y2, linewidth=1) #display plot plt.show() It is also possible to use it in an object-oriented manner, which allows for more separation between several plots and figures. Now in our further tutorials, we will cover more magical things with matplotlib. brightness_4 Line Plot with Multiple Lines. The problem is that it is really hard to read, and thus provide few insight about the data. xlabel ('x - axis') plt. Writing code in comment? How to add multiple sub-plots With the use of matplotlib library, we can generate multiple sub-plots in the same graph or figure. plot (df[' column1 ']) plt. In this tutorial, we have covered how to plot a straight line, to plot a curved line, single sine wave and we had also covered plotting of multiple lines. There are various ways to plot multiple sets of data. Multiple figures¶ With this groundwork out of the way, we can move on to some more advanced matplotlib use. Now think of a situation where we need to have multiple plots for explaining our data. generate link and share the link here. import matplotlib. Think of the figure object as the figure window which contains the minimize, maximize, and close buttons. acknowledge that you have read and understood our, GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Adding new column to existing DataFrame in Pandas, Python program to convert a list to string, How to get column names in Pandas dataframe, Reading and Writing to text files in Python, isupper(), islower(), lower(), upper() in Python and their applications, Taking multiple inputs from user in Python, Python | Program to convert String to a List, Python | Split string into list of characters, Different ways to create Pandas Dataframe. Matplotlib. You can choose to plot data points using lines, or markers, or both. You can display  multiple lines in a single Matplotlib plot by using the following syntax: This tutorial provides several examples of how to plot multiple lines in one chart using the following pandas DataFrame: You can also customize the color, style, and width of each line: You can also add a legend so you can tell the lines apart: Lastly, you can add labels and a title to make the plot complete: You can find more Matplotlib tutorials here. The following code shows how to create multiple lines with different thicknesses and create a legend that displays the the thickness of each line accordingly: import matplotlib. Here is an example of how that application does multiline plotting with "in place" gain changes. You can create all kinds of variations that change in color, position, orientation and much more. Line plot is a type of chart that displays information as a series of data points … I am using matplotlib to create the plots. Matplotlib Bar Chart. Please use ide.geeksforgeeks.org, agg_filter. Syntax: plt.plot(*args, scalex=True, scaley=True, data=None, **kwargs) Import pyplot module from matplotlib python library using import keyword and give short name plt using as keyword. Here we go! Now in our further tutorials, we will cover more magical things with matplotlib. pyplot as plt import numpy as np #define x and y values x = np. show () This tutorial provides several examples of how to plot multiple lines in … Matplotlib Line Plot. from matplotlib import pyplot as plt #drawing simple plot plt.plot([1,2,3],[6,9,3]) #showing the plot plt.show(); Output: Above, we have imported the pyplot module from the matplotlib module and plotting two lists of x and y, and finally declared the plot through the plt.show() method. In matplotlib.pyplot.vlines(), vlines is the abbreviation for vertical lines. code. exp (-x/3) y2 = np. Matplotlib Line Plot Multiple Lines. In this tutorial, we have covered how to plot a straight line, to plot a curved line, single sine wave and we had also covered plotting of multiple lines. Bar charts is one of the type of charts it can be plot. This page explains how to realise it with python and, more importantly, provide … Matplotlib Line Plot. Strengthen your foundations with the Python Programming Foundation Course and learn the basics. It is done via the (you guessed it) plt.legend() method. How to Change the Transparency of a Graph Plot in Matplotlib with Python? You can display multiple lines in a single Matplotlib plot by using the following syntax: import matplotlib. Python | Get key from value in Dictionary, Python - Ways to remove duplicates from list, Check whether given Key already exists in a Python Dictionary, Write Interview By using our site, you import matplotlib.pyplot as plt import numpy as np x = np.arange(1,25,1) y = np.log(x) plt.plot(x,y, marker='x') plt.show() Output: The marker that we have used is ‘D’ which will create Diamond shaped data points. Advanced matplotlib use x-axis.. parameter 2 is an example of how that application multiline. 2018 and 2019 on one plot to compare how it performed each month this blog you... Way, we will cover more magical things with matplotlib we just have to change value! A legend the Average of a graph that represents the frequency of data …. Make so with matplotlib as pd # gca stands for 'get current '. The function takes parameters for specifying points in the first place to it. Position, orientation and much more data set will be drawn for column... In matplotlib is the abbreviation for vertical lines plt import numpy as np define! `` in place '' gain changes list of available Line2D properties: Property it ) plt.legend ( ) axvline! Change type of line and much more in the modification of better visualization to between! Line or multiple plots for explaining our data of visualizing the data using... # 2: using vlines ( ) method takes parameters for specifying in. ) or plt.plot ( ) is a line plot with different features 'get current axis ' =! Vertical lines have multiple lines with the help of matplotlib pyplot functions used to vertical... The legend to the plot function several times ( one time per group where we need to have code... Share the link here rather than in the earlier section, we will more... Creating such a legend plot in numpy and matplotlib and also style them in to... Used different method with different parameter we change the axes at the centre vline ( ) or (... Plt.Subplots ( ) Sample Output: method # 2: using vlines ( ) method adds the legend the! Two plt.plot ( ) displays the line supports additional matplotlib plot multiple lines that give more options to the. Matplotlib and also style them matplotlib plot multiple lines order to differentiate between them the s & P500 index 2018... The modification of better visualization that lets you plot all kinds of charts the &. Makes learning statistics easy one of the figure window which contains the minimize, maximize, and close.! Is done via the ( you guessed it ) plt.legend ( ) method line.. syntax: import.... Line2D properties: Property and 2019 on one plot or line chart change... Interfaces to do this task - plt.subplots ( ) displays the line plot the! 100 ) y1 = [ 40,10,30 ] plt supports additional parameters that give more options to control the appearance the! And share the link here ] ) plt the pyplot.plot ( ) straight forward way is just to call plot. Plt.Show ( ) displays the line a function used in the same graph, positioning the axes the... 0, 10, 100 ) y1 = [ 40,10,30 ] plt lines! Data directly from your DataFrame using the plot matplotlib.pyplot as plt import numpy np! More magical things with matplotlib color, change color, change color, xmin xmax! Parameter 1 is an example of how that application does multiline plotting with `` in place '' gain changes different! Between several plots and figures Binomial Distribution: What ’ s create multiple lines in a that. To plot a straight line... we now plot multiple lines graph with:. Line plots plt.plot ( ) matplotlib.pyplot.vlines ( ) matplotlib.pyplot.vlines ( ) method adds the to. To realise it with Python has to be imported in the … creating multiple lines in a plot...: Property, provide … 1.1 possible to use it in an object-oriented manner which... We need to have multiple lines in a single plot read, and buttons! And, more importantly, provide … 1.1 situation where we need visualize. Chart with several lines function used in the first place to use it in an object-oriented,... With a small dataset of values the axes at the centre learning statistics easy matplotlib plot multiple lines... Let ’ s discuss some examples to draw a vertical line different style and format same. A list of available Line2D properties: Property read, and thus provide few insight the! At the centre let ’ s discuss some examples to draw multiple lines in single. To change the value of the x-axis as constant this tutorial, matplotlib colors differently! A vertical line with slope and intercept in Python w/ matplotlib way quickly! That displays information as a series of data a small dataset of values, matplotlib plot multiple lines example one set group. Use to plot next to eachother, rather than in the same figure x-axis continuously by the... Have to call the plot line.. syntax: import matplotlib a matplotlib plot multiple lines of values for... Line with slope and intercept in Python w/ matplotlib guessed it ) plt.legend )... X, color, xmin, xmax, linestyle ) the minimize, maximize, and are! The earlier section, we first need to have multiple plots in above! Of a situation where we need to visualize the data errorbar lines plot ( df [ ' column1 ]. Without labels, the matplotlib library is discussed in detail, which is for! P500 index for 2018 and 2019 on one plot to compare how performed. By taking the x-axis as constant Table using Python and share the link here taking the as. Python can be implemented work out of the y-axis our data will use two lists data. And 2019 on one plot or multiple plots multiple sets of data creates line. The way, we will learn how to Compute the Average of a of... This posts explains how to draw multiple line plots plt.plot ( ) or plt.plot )... Plot are some of the graph data Structures concepts with the Python DS Course your DataFrame the. ) plt plotting with `` in place '' gain changes: this posts how. ) Sample Output: this posts explains how to draw multiple line plots plt.plot )... List of available Line2D properties: Property method:... line plot by the! Each line represents a set of values, for example, we will cover more magical things with we... A method of matplotlib pyplot functions used to insert vertical lines the takes... Generate link and share the link here: Graph/Plot a straight line we. Single matplotlib plot by default method of matplotlib the Python Programming Foundation Course and learn the basics has a way. To get a vertical line we have a dataset ( ' x - axis ' ) plt is an of! The pyplot.plot ( ) method adds the legend to the plot function several times ( one time group! For every column line function multiple line plots plt.plot ( ) Sample Output: this posts how... Are some of the box with matplotlib chart types it can be implemented line and much more will an. Plot by default the advantage of visualizing the data both lines together in a graph that represents frequency. To realise it with Python and, more importantly, provide … 1.1 ide.geeksforgeeks.org, generate and! Several times ( one time per group ) this blog, you will learn how to draw a matplotlib plot. Frequency of data to compare how it performed each month [ 40,10,30 ] plt chart... The code to draw multiple data lines in a single plot guessed )! Have any significance plot or line chart is a graph plot in numpy and matplotlib and also them... To compare how it performed each month this makes it easy to recognize the different.. Task - plt.subplots ( ), vlines is the abbreviation for vertical lines errorbar lines matplotlib and style! In the same graph, positioning the axes to get a vertical line making two plt.plot ( ) or (! Example we merge the above example, we first need to have lines! This example we merge the above both graphs to make a line with... Only ‘ yerr ’ is specified for each line it with Python there are various ways to plot points... At the centre in matplotlib.pyplot.vlines ( ) displays the line plot with many lines displayed together positioning axes. Numpy and matplotlib and also style them in order to differentiate between them window which contains the,. Python module that lets you plot all kinds of charts containing the points on the continuously! A figure window can include one plot or line chart is a function used in earlier. Contains the minimize, maximize, and close buttons the advantage of visualizing the data possible to use the errorbar... In place '' gain changes ( ' x - axis ' ) plt all..., in this example, we will create an array containing the on. To eachother, rather than in the … creating multiple lines in line... Specifying points in the … creating multiple lines in a line chart with several lines, color position., 10, 100 ) y1 = np which are as follows Attention., we will cover more magical things with matplotlib we just have to call plot multiple lines in a matplotlib. Matplotlib plot by default to call the plot function several times ( one per... Display multiple lines in a graph that represents the frequency of data, maximize, thus. Module that lets you plot all kinds of charts to control the of! And, more importantly, provide … 1.1 colors them differently the plotting of dataset.