Data Analysis

Articles about Data Analysis

Data Analysis

How to interpret the result of the Two-Factor Anova, Part 2: P-Value

This article is about how to interpret the results of Anova, including P-value, and connect it to our action. In order to understand P-value, you have to understand the concept of 'Null Hypothesis'. This article explains the P-value and Null Hypothesis visually easy to understand manner.
07.28.2019
Data Analysis

What’s ANOVA? (Analysis of Variance Basics) 【Excel Data Analysis Tools】 Part 1: Get the results quickly

With Anova, you can identify if there is significant difference among the data groups. This article explains the basics of Anova and demonstrate the Two-Factor Anova using Excel's Data Analysis tools.
Data Analysis

Learning Multiple Regression Analysis with an SEO Example【Regression Analysis Series 3】

This article explains Multiple Regression Analysis using my SEO activities as example and a Dummy Variable for Qualitati...
Data Analysis

Simple Regression Analysis Interpretation (Excel Data Analysis Tools)【Regression Analysis Series 2】

This post explains how to interpret results of Simple Regression Analysis using Excel Data Analysis Tools. You'll learn ...
01.28.2019
Data Analysis

Simple Regression Analysis by Scatter Plot in Excel【Regression Analysis Series 1】

This post shows the basics of Regression Analysis, explains its confusing terms, and how to use a Scatter Plot for a Sim...
01.28.2019
Data Analysis

Control Chart Types: You’ll understand Xbar, c, u, p, np with this!

The type of your data will decide what type of Control Chart you should use. The Control Chart Quick Reference Table giv...
01.06.2019
Data Analysis

How to use the T-test and F-test in a real world【Excel Function】

Today's topic is the T-test and F-test and their Excel functions. The T-test is used to compare two data groups’ average...
01.06.2019
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