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How to Make a Histogram

Statistics is all about reading patterns in the numbers. One of the easiest ways to read patterns is to look at a picture, or graph, of the data. In fact, it is so easy, it should be the first thing that you do as a part of any analysis. The most common type of statistical […]

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F-distribution Explained

In statistics, you have to determine if the pattern you identify in the data is significantly different from no pattern at all. There are a bunch of ways to do this, but the most common is the use of probability functions. Probability functions permit you to determine the chance that your model is different. Among […]

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Making Sense of Time Series Data

A time series is nothing more than data measured over time. For example, you could track the Dow Jones Industrial Average from day to day (or even minute by minute!). In this post, we’ll find out how to analyze the components of time series data. For a quick overview of the topic, you might want […]

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Intro to R Statistics and Data Analysis

There are a lot of statistics programs that can help facilitate your data analysis. Each one is unique and has something special to offer you. But there is one program that stands out above the rest… R. R is a statistics program that is capable for very powerful analyses, but its language can be daunting […]

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Factorial Design Basics for Statistics

One of the golden standards of experimental design in both the physical and social sciences is a random controlled experiment with only one dependent variable. The limitation to that design is that it overlooks the effects multiple variables may have with one another. In statistics, there is a special design that not only deals with […]

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OLS Assumptions

In statistics, there are numerous ways to analyze data. The whole field revolves around it. Of course, the way that you analyze data depends on both what you want to know and what the data actually are. One of the most common ways to analyze data is using regression models. These types of models estimate […]

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