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Histograms in matplotlib

. Univariate graph

. Use histograms for numerical variables only.

Data Sets:

height_of_children_in_cms = https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip([100,100.70,101.5,102.3,103,103.2,103.5,104.5,105,106.2,107,100.7,102.3,102.3])

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(height_of_children_in_cms)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Histogram of the height of children")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip()

Screenshot from 2025-04-04 14-51-14

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(height_of_children_in_cms, color='g')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Histogram of the height of children")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Height of children(in cms)")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip()

Screenshot from 2025-04-04 15-04-40

Pie charts in matplotlib¶

. For categorical variables

fruits = ['Apples', 'Bananas', 'Strawberries','Oranges', 'Pears', 'Grapes'] count_of_fruits = [23, 17, 35, 29, 12, 41]

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(count_of_fruits, labels = fruits)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip()

Screenshot from 2025-04-04 15-09-02

Subplots

x = https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(-10,9,20)

print(x)

[-10. -9. -8. -7. -6. -5. -4. -3. -2. -1. 0. 1. 2. 3. 4. 5. 6. 7. 8. 9.]

create a cubic function

y = x**3

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip()

Screenshot from 2025-04-04 15-43-10

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,1) #m - no. of rows, n-no. of columns, p=position of the current graph

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'b*-')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,2)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'y--')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,3)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'m:')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,4)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'g--')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip()

Screenshot from 2025-04-04 15-48-52

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(wspace=0.5) #wspace is used to adjust the spacing between the columns

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,1) #m - no. of rows, n-no. of columns, p=position of the current graph

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'b*-')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,2)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'y--')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,3)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'m:')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,4)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'g--')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip()

Screenshot from 2025-04-04 15-52-25

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(figsize=(20,10))

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Cubic Function Graphs", fontsize=20, fontweight=20, verticalalignment="bottom")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,1) #m - no. of rows, n-no. of columns, p=position of the current graph

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'b*-')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("sub plot 1")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,2)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'y--')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("sub plot 2")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,3)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'m:')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("sub plot 3")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(2,2,4)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(x,y,'g--')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("sub plot 4")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip()

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip()

Screenshot from 2025-04-04 15-55-04

web_monday = [123, 645, 950, 1290, 1630, 1450,1034,1295,465,205,80]

web_tuesday = [95, 680, 889, 1145, 1670,1323,1119,1265,510,310,110]

web_wednesday = [105,630,700,1006,1520,1124,1239,1380,580,610,230]

time_hrs = [7,8,9,10,11,12,13,14,15,16,17]

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(figsize=(10,7))

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(time_hrs, web_monday, linewidth =2,linestyle="--", marker='*' , markersize = 8, label = "Website traffic on Monday" )

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(time_hrs, web_tuesday, linewidth =2,linestyle="-.", marker='^', markersize = 8, label = "Website traffic on Tuesday")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(time_hrs, web_wednesday, linewidth =2, linestyle=":", marker='+', markersize = 10, label = "Website traffic on Wednesday")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(6,18))

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(loc="upper right", bbox_to_anchor=(1.3,1) ) # to move the default position of the legend on the graph

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(True)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip()

Screenshot from 2025-04-04 15-58-09

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(figsize=(20,10))

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Website traffic analysis", fontsize = 20, verticalalignment="bottom")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(1,3,1)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(time_hrs,web_monday,color='g',marker='o')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Website traffic on Monday")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Time in hours spent on the website")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Number of customers on Monday")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(1,3,2)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(time_hrs,web_tuesday,color='m',marker='o')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Website traffic on Tuesday")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Time in hours spent on the website")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Number of customers on Tuesday")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(1,3,3)

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip(time_hrs,web_wednesday,color='y',marker='o')

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Website traffic on Wednesday")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Time in hours spent on the website")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip("Number of customers on Wednesday")

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip()

https://raw.githubusercontent.com/Collins76/Matplotlib-Exercises/Data-Science-Project/Godwin/Matplotlib-Exercises.zip()

Screenshot from 2025-04-04 16-00-07

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Use histograms for numerical variables only.

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