What is data analysis and how it is useful for businesses?
Data analysis is the process of inspecting, cleaning, transforming, and modelling data in order to extract useful information and insights from it. In the business context, data analysis involves examining data sets to identify patterns, trends, and relationships that can help companies make better decisions, improve their operations, and achieve their goals.
Data analysis is useful for businesses in a number of ways, including:
Better decision-making: By analyzing data, businesses can make more informed decisions based on real-world evidence rather than relying on guesswork or intuition.
Improved operational efficiency: By identifying inefficiencies and areas for improvement through it, businesses can streamline their operations, reduce costs, and increase productivity.
Identifying new opportunities: it can help businesses uncover new markets, potential customers, and emerging trends that they may have overlooked otherwise.
Measuring performance: By analyzing data on key performance indicators (KPIs), businesses can track their progress toward goals and identify areas where they need to improve.
Competitive advantage: it can give businesses a competitive edge by providing insights that help them differentiate themselves from their competitors.
Overall, it can help businesses become more agile, efficient, and effective by providing insights that inform decision-making, improve operations, and drive growth.
Here’s an example code for performing linear regression, a commonly used data analysis method:
# Import the necessary libraries
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
from sklearn.linear_model import LinearRegression
# Load the data
data = pd.read_csv('data.csv')
# Prepare the data
x = data['x'].values.reshape(-1,1)
y = data['y'].values.reshape(-1,1)
# Create and fit the model
model = LinearRegression()
model.fit(x, y)
# Predict the values
y_pred = model.predict(x)
# Visualize the results
plt.scatter(x, y)
plt.plot(x, y_pred, color='red')
plt.show()
In this example, we are using the LinearRegression class from the sklearn library to create a linear regression model.
We load the data from a CSV file, prepare it by extracting the x and y values, and then fit the model to the data using the fit() method.
We then use the model to predict the values for y based on the x values, and visualize the results using a scatter plot and a line of best fit.
This is just one example of a method, and there are many other methods that can be used depending on the specific data and goals of the analysis.
New to Udemy? Lucky you.
Courses start at INR 449 ( $6 only). Get your new-student offer before it expires.
Here is the Collection of the Top Data analysis courses
Courses could not be fetched. Please try again.
Top courses in Data Analysis and Statistics
Essential Statistics for Data Analysis
Learn statistics with fun, real-world projects; probability distributions, hypothesis tests, regression analysis & more!
SPSS Masterclass: Learning SPSS From Scratch to Advanced
A complete step by step course to master IBM SPSS Statistics for doing advanced Research, Statistics & Data Analysis
Statistics & Mathematics for Data Science & Data Analytics
Learn the statistics & probability for data science and business analysis
Statistics for Business Analytics and Data Science Course
Learn The Core Stats For A Data Science Career. Master Statistical Significance, Confidence Intervals And Much More!
Statistics for Data Analysis Using R
Learn Programming in R & R Studio • Descriptive, Inferential Statistics • Plots for Data Visualization • Data Science
Statistics/Data Analysis with SPSS: Descriptive Statistics
Increase Your Descriptive Data Analytic Skills – Highly Valued And Sought After By Employers
Excel Data Analysis For Dummies
Harness the Power of Excel to Discover What Your Numbers are Hiding
R Level 1 – Data Analytics with R
Use R for Data Analytics and Data Mining
SQL for NEWBS: Weekender Crash Course
Want to make more data-driven decision? Have little or no technical experience? This is the perfect SQL course for you! Start from scratch and become a pro.
Top COURSERA courses for Data Analysis
Google Data Analytics
Offered by Google. This is your path to a career in data analytics. In this program, you’ll learn in-demand skills that will have you … Enroll for free.
IBM Data Analyst
Offered by IBM Skills Network. Unlock your potential in data analytics. Build job-ready skills for an in-demand career as a data analyst. No … Enroll for free.
Data Analysis with Python
Offered by IBM Skills Network. Analyzing data with Python is an essential skill for Data Scientists and Data Analysts. This course will take … Enroll for free.
Introduction to Data Analytics
Offered by IBM Skills Network. Ready to start a career in Data Analysis but don’t know where to begin? This course presents you with a … Enroll for free.
IBM Data Analytics with Excel and R
Offered by IBM Skills Network. Kickstart Your Data Analytics Career w/ Excel & R. Master the data analysis and visualization tools to … Enroll for free.
Top Edureka courses for Data Analysis
Data Analytics with R Certification Training Course
Data Analytics with R Certification Training helps you gain expertise on R programming’s most popular Analytics tool with case studies and projects. Enroll now!
Statistics Essentials for Analytics Online Training | Edureka
Our self-paced statistics essentials for Analytics course helps you derive analytics insights through statistical techniques. It’s a pre-requisite to learn R Analytics
Data Analyst Certification Course Online | Data Analytics Masters
Edureka Data Analytics Masters Program is well suited for professionals who want to be Data Analysts. Enroll in our Data Analysis certification course and get certified!
Data Science Certification Training Online [#1 Masters Program]
Data Science Certification Training helps you gain in-depth knowledge of data scientists’ tools. Enrol in this online Data Science Masters Program now!
Analytics for Retail Banks Online Training | Analytics Certification Course | Edureka
Become a data-driven marketing expert by mastering analytics lifecycle, data infrastructure and digital trends while going through global retail banking case studies.
Top books from Microsoft Press
Microsoft Excel Data Analysis and Business Modeling, 5th Edition | InformIT
Written by award-winning educator Wayne Winston, this hands-on, scenario-focused guide will help you apply Excel 2016’s most valuable innovations for data analysis and business modeling. It’s packed with realistic problems and solutions to help you gain mastery — including over 150 that are new or…
Data Analysis Fundamentals with Excel (Video) | InformIT
7+ Hours of Video InstructionThis video course takes youthe business user, business analyst, or data analystthrough an end-to-end solution for collecting, cleaning, importing, managing, and sharing data for operational and reporting purposes using Excel.A story-based approach is used to teach you th…
Using Jupyter Notebooks for Data Science Analysis in Python LiveLessons (Video Training) | InformIT
4 Hours of Video InstructionCreate an end-to-end data analysis workflow in Python using the Jupyter Notebook and learn about the diverse and abundant tools available within the Project Jupyter ecosystem.OverviewThe Jupyter Notebook is a popular tool for learning and performing data science in Python…
Exam Ref DA-100 Analyzing Data with Microsoft Power BI | InformIT
Direct from Microsoft, this Exam Ref is the official study guide for the new Microsoft DA-100 Analyzing Data with Microsoft Power BI certification exam.Exam Ref DA-100 Analyzing Data with Microsoft Power BI offers professional-level preparation that helps candidates maximize their exam performance a…
Visual Data Storytelling with Tableau | InformIT
This is the first end-to-end, full-color guide to telling powerful, actionable data stories using Tableau, the world’s #1 visualization software.
