Tag Archives: descriptive statistics

Chi-square Test: Insight from Using Microsoft Excel

The chi-square test can be performed in Microsoft Excel.

Chi-square test is hard to grasp – but doing it in Microsoft Excel can give you special insight. Read about it on my blog!

Adding Error Bars to ggplot2 Plots Can be Made Easy Through Dataframe Structure

Error bars on plots can provide the audience an estimate of the amount of certainty you have with your estimates.

Adding error bars to ggplot2 in R plots is easiest if you include the width of the error bar as a variable in your plot data. Read my blog post to see an example.

Time Series Plots in R Using ggplot2 Are Ultimately Customizable

Time series plots can be customized if you use package ggplot2 in R. You can place labels and configure axes.

Time series plots in R are totally customizable using the ggplot2 package, and can come out with a look that is clean and sharp. However, you usually end up fighting with formatting the x-axis and other options, and I explain in my blog post.

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