Python – Get Data From CSV and Create Chart

Posted on by By admin, in Business Intelligence, Data Visualization, Open Source Business Intelligence | 0

Hello everyone, this blog shows how we can import data from csv and plot as mesg grid chart in python libraries, through the help of Pycharm IDE (Community Version)

Prerequisite :

The following are the steps for creating mesh-grid in pycharm :
1. Installing NumPy,Pandas and Matplotlib libraries in Pycharm IDE :

    • 1. Create a scratch file in Pycharm.
    • 2. Click on “File” and goto settings.
    • 3. Goto “Project Interpreter” and click on ‘+’ symbol to add new libraries.


2. Writing python code for importing csv data and creating meshgrid :

    • 1. Create a csv file containing these data “-5,5,0.01”.
    • 2. Use this python code in your scratch file .

import csv
import numpy as np
import matplotlib.pyplot as plt

point = “”
with open(‘C:/Users/Helical/Desktop/Blog/Python/MeshGrid.csv’,’r’) as csvfile:
meshreader = csv.reader(csvfile, delimiter=’,’)
for row in meshreader:
point = point + ‘, ‘.join(row)
meshpoints = point.split(‘,’)
points = np.arange(float(meshpoints[0]),float(meshpoints[1]),float(meshpoints[2]))
dx, dy = np.meshgrid(points,points)
z = (np.sin(dx)+np.sin(dy))
plt.title(‘plot for sin(x)+sin(y)’)

  • If you are able to sucessfully run the code, then you will generate mesh grid in an new Pycharm window.
  • GraphMatplotLib

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