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Python Bokeh – Plotting Ys on a Graph

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Bokeh is a Python interactive data visualization. It renders its plots using HTML and JavaScript. It targets modern web browsers for presentation providing elegant, concise construction of novel graphics with high-performance interactivity.

Bokeh can be used to plot Ys on a graph. Plotting Ys on a graph can be done using the y() method of the plotting module.


Syntax : y(parameters)

Parameters :

  • x : x-coordinates of the center of the y markers
  • y : y-coordinates of the center of the y markers

Returns : an object of class GlyphRenderer

Example 1 : In this example we will be using the default values for plotting the graph.

# importing the modules
from bokeh.plotting import figure, output_file, show
# file to save the model
# instantiating the figure object
graph = figure(title = "Bokeh Y Graph")
# the points to be plotted
x = 0
y = 0
# plotting the graph
graph.y(x, y, size = 30)
# displaying the model

Output :

Example 2 : In this example we will be plotting multiple Ys with various other parameters.

# importing the modules 
from bokeh.plotting import figure, output_file, show 
# file to save the model 
# instantiating the figure object 
graph = figure(title = "Bokeh Y Graph"
# name of the x-axis 
graph.xaxis.axis_label = "x-axis"
# name of the y-axis 
graph.yaxis.axis_label = "y-axis"
# points to be plotted
x = [3, 3, 5]
y = [3, 1, 3]
size = [130, 100, 60]
# color value of the Ys
color = ["yellow", "red", "purple"]
# fill alpha value of the Ys
fill_alpha = [0.9, 0.7, 0.5]
# line width of the Ys
line_width = [10, 15, 5]
# plotting the graph 
graph.y(x, y,
        size = size,
        color = color,
        fill_alpha = fill_alpha,
        line_width = line_width) 
# displaying the model 

Output :

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Last Updated : 10 Jul, 2020
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