Let us Learn Matplotlib

 

(Photo Source: pexels.com)

 01. Matplotlib Line chart

Let us take a ten day report of weather of a place.

 

Weather Report
Day	Temperature
1	51
2	50
3	48
4	47
5	49
6	46
7	48
8	50
9	45
10	44

Now let us plot very simply in Google Colab. Open Google colab by signing in with your Gmail. You can do it in Jupyter or any kind of IDE such as PyCharm etc. 

The Code is given below 

 

import matplotlib.pyplot as plt % matplotlib inline x=[1,2,3,4,5,6,7,8,9,10] y=[51, 50, 48, 47, 49, 46, 48, 50, 45, 44] plt.xlabel('Days') plt.ylabel('Temp') plt.title('Weather Report for Upcoming 10 Days') plt.plot(x,y, color='green', linewidth=4, linestyle='dotted')

Note: You can change linewidth & linestyle as per your wish 

02 Matplotlib: Markers of line Chart

Taking the same problem of weather report for 10 days,

Let us take a ten day report of weather of a place.

 

Weather Report
Day	Temperature
1	51
2	50
3	48
4	47
5	49
6	46
7	48
8	50
9	45
10	44

 We are to develop a line chart with labels in X & Y axis and also chart title. Besides that we need to change the marker styles.

Now, let us see the coding for it for ‘+’ marker. 

 

import matplotlib.pyplot as plt % matplotlib inline x=[1,2,3,4,5,6,7,8,9,10] y=[51, 50, 48, 47, 49, 46, 48, 50, 45, 44] plt.xlabel('Days') plt.ylabel('Temp') plt.title('Weather Report for Upcoming 10 Days') plt.plot(x,y, 'g+')

 

If you need a dashed line chart then the coding would be

 

import matplotlib.pyplot as plt % matplotlib inline x=[1,2,3,4,5,6,7,8,9,10] y=[51, 50, 48, 47, 49, 46, 48, 50, 45, 44] plt.xlabel('Days') plt.ylabel('Temp') plt.title('Weather Report for Upcoming 10 Days') plt.plot(x,y, 'g+')

If you need a ‘diamond’ marker, the coding is below

 

import matplotlib.pyplot as plt % matplotlib inline x=[1,2,3,4,5,6,7,8,9,10] y=[51, 50, 48, 47, 49, 46, 48, 50, 45, 44] plt.xlabel('Days') plt.ylabel('Temp') plt.title('Weather Report for Upcoming 10 Days') plt.plot(x,y, 'D--')

If you need a continuous line with ‘+’ marker, the coding is given below.

 

import matplotlib.pyplot as plt % matplotlib inline x=[1,2,3,4,5,6,7,8,9,10] y=[51, 50, 48, 47, 49, 46, 48, 50, 45, 44] plt.xlabel('Days') plt.ylabel('Temp') plt.title('Weather Report for Upcoming 10 Days') plt.plot(x,y, color='green',marker='+')

 

 

If you need a thicker line compared to the previous one with ‘+’ marker, the coding is given below.

 

import matplotlib.pyplot as plt % matplotlib inline x=[1,2,3,4,5,6,7,8,9,10] y=[51, 50, 48, 47, 49, 46, 48, 50, 45, 44] plt.xlabel('Days') plt.ylabel('Temp') plt.title('Weather Report for Upcoming 10 Days') plt.plot(x,y, color='green', marker='D', linewidth=4)

 

 

 

03 Multi line plot

If you need a multi line plot with markers and labels of the lines. The code is given below. 

 

 

 

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