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Make Data Make Sense: Most-Used Techniques in Data Analysis

data analysis methods

This is one piece of a three-part series that looks at the various methods, techniques, and essential steps to superior data analysis.

Data comes in different forms from myriad sources. It can materialize as customer reviews, video ads, images, etc., or in a more traditional row and column format containing fields like CTR (Click Through Rate), bounce rate, etc.

There are many ways to analyze this data. Some of them are as follows: 

1. Regression analysis

  • Firstly, regression analysis is used to find trends and patterns by analyzing the data.
  • It seeks to spot a correlation between a dependent variable (the one you want to measure the impact on) and an independent variable (the one which may or may not impact the dependent variable). 
  • For example, running a regression analysis on your ad spend (independent variable) and ROI (dependent variable) will help you determine a positive or negative relationship between the two variables. 
  • If there are a lot of variables you have to consider, there are more advanced forms of regression analysis techniques you can utilize.
regression analysis
Different types of regression analysis techniques

2. Monte Carlo simulation

  • Secondly, Monte Carlo Simulation helps decision-makers deal with risks.
  • It predicts all the outcomes of the steps you take, and the probability of them occurring, mathematically.
  • For instance, a Monte Carlo simulation is to calculate the probabilities of rolling two standard dice. They have 36 combinations in total. By utilizing Monte Carlo simulation you can simulate rolling the dice 10,000 times to foresee possible outcomes.
monte carlo simulation
The probabilities of 10,000 dice rolls

3. Predictive analysis

  • Predictive analysis is the confluence of various data handling techniques like data mining, machine learning, statistical modeling, etc., to process historical data, and detect trends and patterns.
  • Moreover, Netflix has used this model to review the tendency of their audiences to prefer a certain kind of movie, documentary, or TV show, and churn out similar content. 
predictive analysis
Predictive analytics value chain

4. Prescriptive analysis

  • Likewise, Prescriptive analysis strives to answer the big questions, such as “What ought to be done?” or “What is the next step?
  • It uses complex techniques in the fields of machine learning, neural networks, graph analysis, etc. It prescribes the best possible course of action.
  • Google’s self-driving car Waymo is a good example of prescriptive analysis. By making millions of calculations during each ride, the car can intelligently slow down, take turns, and change lanes, all the while ensuring the safety of unbeknownst pedestrians. 

5. Fuzzy logic

  • The Fuzzy logic approach to data analysis is based on degrees of truth rather than the usual true or false.
  • It helps the machine arrive at a wide range of accurate results. 
  • Furthermore, Fuzzy logic has been used extensively in facial pattern recognition, Natural Language Processing (NLP), and complex applications of AI. 
fuzzy logic
Fuzzy logic architecture

6. Factor analysis

  • Factor analysis helps to streamline the data analysis process.
  • It reduces a large number of observed variables into a small number of unobserved variables.
  • Then while doing so, it unveils the previously unacknowledged latent variables.
  • Example: The customer review of a product may contain variables like Look & feel, comfort, frequency of use, price, features, and resell value.
  • For a more effective evaluation of this data, you can group look & feel, comfort and frequency of use into a single latent variable called user experience.

7. Sentiment analysis

  • On the other hand, sentiment analysis uses Natural Language Processing (NLP) and machine learning techniques to mine texts. It discovers the hidden emotions behind customer reviews. 
  • It is a good method to understand market perception with regards to any product or service.
  • According to Oberlo, there are 192 million active users on Twitter alone, sending 500 million tweets every day. 
  • You can run sentiment analysis on data like this to gain a better understanding of your user base.

8. Cohort analysis

  • Cohort analysis processes historical data to analyze customer behavior. When similar characteristics emerge, the data is segregated into several segments called ‘cohorts’. 
  • It helps in understanding your target audience better.
  • Example: In an email campaign, some of your content will resonate well with a particular target group, while others perform better with a different audience.
  • Finally, you can classify your audience based on the content they most identified with into cohorts. Which gives you fodder for the next campaign. 

In conclusion

These are some of the many data analysis techniques that businesses use to gain actionable insights. It is safe to say that we have only skimmed the surface of this vast topic. 

In all the excitement about data analysis, one crucial matter is often overlooked — Where will the data come from? Who will get it? 

From procuring data out of the most unconventional sources to ensuring its integrity through the best industry practices like data normalization, data cleansing, and other proven quality checks, Grepsr is your one-stop solution for all things data.

Let us do the leg-work, so you don’t have to!

Web data made accessible. At scale.
Tell us what you need. Let us ease your data sourcing pains!

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