Interactive Graphs for Statistics for Economists
Martin Poulter, DeSTRESS Project
These graphs redraw themselves dynamically in response to user clicks (or touches, if you're using a tablet device). They are web pages with embedded programs, requiring no plug-ins or special software. They may be quite slow in some versions of Internet Explorer.
Licences: Creative Commons Attribution-ShareAlike (text content); MIT licence (Javascript code).
- Effect on trendlines of censoring data
regression line; effect of choosing starting point - Evaluating the Rule of 70
exponential growth; percentage error - Mean versus median: film ratings
robustness of median relative to the mean - Pearson versus Spearman correlations
types of correlation; similarities and differences - Skew, mean and median
mode, mean, median of continuous (triangular) distribution - Skewness in a discrete distribution (counterpoint to above)
mode, mean, median of discrete (Poisson) distribution - Measures of income spread
absolute and percentage change; range, s.d. and variance - The power of compound interest
logarithmic axis - Logarithmic axes and income
measures of spread; absolute change versus percentage change - Arithmetic versus geometric mean
probability; expected return; geometric mean as long-term expected return - The shape of the sampling distribution
sampling from a skewed distribution; distinguishing the population, sample and sampling distribution - Distribution of sample standard deviations and why we use n-1 to calculate sample sd (incomplete)
sampling; Bessel's correction - Correlation of a sample (incomplete)
University of Sussex
Interactive Excel spreadsheets
