#statistics

This famously occurred in Monte Carlo Casino in 1913.

Even a rudimentary look at probability can give new insights about how to interpret data.

[](http://en.wikipedia.org/wiki/File:Standard_deviation_diagram.svg)

The probabilistic syllogism of hypothesis testing has the same structure as the following simple example (devised by Jeff Gill in his…

Let's use this addition rule to find the probability for Experiment 1.

Risk ratios (RR) and odds ratios (OR) are both used to analyze factors associated with increased risk of disease.

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Average English world length is 5.10 letters. For comparison, Korean averages 3.05 letters and the German average is 6.26 letters.

Source URL https://en.wikipedia.org/wiki/Brier_score

If we are serious about measuring and improving, forecasts must have clearly defined terms and timelines.

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The plot of our population of data suggests that the college entrance test scores for each subpopulation have equal variance.

If you’re trying to gain a rapid understanding of a new area, one of the most important things you can do is to identify common mistakes…

A confidence interval is an interval in which a measurement or trial falls corresponding to a given probability.

Nines and sigmas are two ways to measure quality.

The benefit of using a correlation coefficient to measure the relationship between two variables as opposed to using covariance is that…

We can only hope that the chart below, which shows a rather disturbing linkage between consumption of chocolate (in kg/yr/capita) and…

Correlation and cointegration, while theoretically similar, are not the same.

In probability theory and statistics, skewness is a measure of the asymmetry of the probability distribution of a real-valued random…

There are many ways to measure financial portfolio performance and determine if an investment strategy is successful.

Why are election polls often inaccurate? Why is racism wrong?

In a jury of 12 people, it’s not likely that many will understand probability.

The 'fog factor' is a writer's yardstick to measure the acceptability of written work.

The birthday problem, sometimes called the birthday paradox, says that it’s more likely than you’d expect that two people in a group have…

When considering investment returns it is the geometric average, not arithmetic average, that matters.

In statistics and in statistical physics, Gibbs sampling or a Gibbs sampler is a Markov chain Monte Carlo (MCMC) algorithm for obtaining a…

The Gompertz curve or Gompertz function is a type of mathematical model for a time series, named after Benjamin Gompertz (1779–1865).

The Granger causality test is a statistical hypothesis test for determining whether one time series is useful in forecasting…

real-statistics.com Free Excel add-in with statistic tools

The length of sentences in English, and I don't know anything worth a blow about other languages, is a function of the intelligence of the…

Jakob Bernoulli first proved this theorem regarding large numbers, which many of us know from our studies of statistics.

The most common one concerns the interpretation of evidence.

Today's column, by Nicholas Balakar, is in error. The column begins:

As I am writing these lines I see the following headlines on my Bloomberg: - Dow is up 1.03 on lower interest rates. - Dollar down 0.12…

The following conundrum is like one that Peters used but illustrates the point a little better.

This article provides an overview of the main models available for modelling time series and forecasting their evolution.

In statistical hypothesis testing, the p-value is the probability of obtaining a test statistic at least as extreme as the one that was…

You don’t have to wait long to see a headline proclaiming that some food or behavior is associated with either an increased or a decreased…

Saying something may happen with 80% probability and sizing your trade against that chance isn't the same as predicting that it will…

Causality: There is another problem; even assuming statistical significance, one has to accept a cause and effect, meaning that the event…

Pareidolia – the psychological phenomenon of perceiving patterns in randomness

Already in 1921, the American economist Frank Knight distinguished risk from uncertainty.

In Flaw of Averages, Sam Savage uses the illustration of shaking a ladder to explain why someone would want to use Monte Carlo simulation.

Simpson's Paradox occurs when a trend observed in aggregated data reverses when the data is divided into subgroups, often due to the…

I saw on Twitter this afternoon a paraphrase of a quote from Nassim Taleb to the effect that if you see a six-sigma event, that’s evidence…

Mark Twain is credited with introducing into the American vernacular the phrase, “Lies, damned lies and statistics.”

One standard deviation away from the mean in either direction on the horizontal axis (the red area on the above graph) accounts for…

Tutorial On Principal Component Analysis with the Accord.NET Fetching Data#tm8r

https://rverseanalytics.com/tools

In mathematics, the nth taxicab number, typically denoted Ta(n) or Taxicab(n), is defined as the smallest number that can be expressed as…

To physicists, the gold standard for a discovery is what they call a "5-sigma" bump, where sigma is a measure of bumpiness known as a…

A test of a disease presents a rate of 5% false positives.

EVER USED THE word "snowcrie"? I doubt it. In fact, "snowcrie" doesn't even have a definition.