Popular Posts

Based on viewership statistics, the following posts are particularly popular among readers of The Chemical Statistician.  This page allows you to navigate to those posts more easily!

If you would like to suggest a topic for me to write about, or if you would like to suggest a blog post to add to this list, please leave a comment at the bottom of this page.  Thanks!

Advice

How to Find a Job in Statistics – Advice for Students and Recent Graduates

R Programming

Useful Functions in R for Manipulating Text Data

Data Visualization

Online index of plots and corresponding R scripts

Displaying Isotopic Abundance Percentages with Bar Charts and Pie Charts

Adding Labels to Points in a Scatter Plot in R

Applied Statistics

How to Calculate a Partial Correlation Coefficient in R: An Example with Oxidizing Ammonia to Make Nitric Acid

Exploratory Data Analysis

This series of posts introduced various methods of exploratory data analysis, providing theoretical backgrounds and practical examples.  Fully commented and readily usable R scripts are available for all topics for you to copy and paste for your own analysis!  Most of these posts (and most of the long posts on statistics on this blog) involve data visualization and plotting, and I include a lot of detail and comments on how to invoke specific plotting commands in R in these examples.

Quantile-Quantile Plots for New York’s Ozone Pollution Data

Useful R Functions for Exploring a Data Frame

The 5-Number Summary – Two Different Methods in R

Combining Histograms and Density Plots to Examine the Distribution of the Ozone Pollution Data from New York in R

Conceptual Foundations of Histograms – Illustrated with New York’s Ozone Pollution Data

Kernel Density Estimation and Rug Plots in R on Ozone Data in New York and Ozonopolis

2 Ways of Plotting Empirical Cumulative Distribution Functions in R

Conceptual Foundations of Empirical Cumulative Distribution Functions

Combining Box Plots and Kernel Density Plots into Violin Plots for Ozone Pollution Data

Kernel Density Estimation – Conceptual Foundations

Variations of Box Plots in R for Ozone Concentrations in New York City and Ozonopolis

Computing Descriptive Statistics in R for Data on Ozone Pollution in New York City

Applications of Chemistry

Sulfur Dioxide, Sulfur Trioxide and Acid Rain: Pollution from Burning Coal

How do Dew and Fog Form? Nature at Work with Temperature, Vapour Pressure, and Partial Pressure

Why Does Diabetes Cause Excessive Urination and Thirst? A Lesson on Osmosis