I am a consultant in engineering and statistics. I live near Paris, France.

I welcome comments on my math & physics notes: /Notes

My Wikipedia contributions are mostly in the areas of:

Statistics--skewness, kurtosis, Levy skew alpha-stable distribution, Vysochanskii-Petunin inequality, tolerance interval, quantile, asymptotic equipartition property, Kruskal-Wallis, Fisher's exact test, Fisher's z-distribution, Beta prime distribution, Pearson distribution, Behrens-Fisher problem, cumulant, normal distribution, Studentized residual, DFFITS, Plackett-Burman design, design of experiments, factorial experiment, generalized linear model, probit, mixture model, Expectation-maximization algorithm, multiple comparisons, testing hypotheses suggested by the data, Hotelling's T-square distribution, logistic distribution, SYSTAT, Type-2 Gumbel distribution

Medicine and nutrition--William Coley, tetrahydrocannabinol, Natural Justice, nutrition, methylphenidate, trans fat, osteoarthritis, multiple sclerosis, scopolamine, complex regional pain syndrome, Raynaud's phenomenon, glycemic index, fructosamine, diabetic diet, diabetes management, diabetes mellitus, circumcision, cancer, body louse, Medical Hypotheses, coronary heart disease, tuberculosis, black light, senescence, sleeping sickness, cannabidiol, Positive predictive value, medical cannabis, liver cancer, vitamin A, tocopherol, monoamine oxidase, nutrition facts label, Dietary Reference Intake, Reference Daily Intake, prune, hippocampus, malaria, carotenoid, carotene, Oxidative stress, free-radical theory, vitamin, orthomolecular medicine, urinary bladder, overactive bladder, Alzheimer's disease, Alzheimer's disease clinical research, talk:overeating

Mathematics--Hadamard matrix, Box-Cox transformation, magic square, associated Legendre function, prosecutor's fallacy, logistic function, entire function, Cantor set, Hensel's lemma, Cayley-Dickson construction, algebraic variety, On the Number of Primes Less Than a Given Magnitude, division ring, Riemann zeta function, Dirichlet character, special linear group, L-function, Naperian logarithm, Hausdorff space, p-adic number, integrable function, symplectic group, free abelian group, special linear group, Heisenberg group, Module, monotone convergence theorem, Hausdorff paradox, Banach-Tarski paradox, von Neumann paradox, subspace topology, compact space, end (topology), cyclic group

Energy--units of energy, fuel cells, photovoltaics, fission products, ton of oil equivalent, Boeing 747, fuel efficiency, reserves, light-emitting diode, solid-state lighting, compact fluorescent light, ZEBRA, European Climate Change Programme, propeller, aviation fuel, liquefied natural gas, General Electric LM6000, specific fuel consumption, gasoline, memory effect, coal, Hubbert peak theory, uranium, carbonization

Biography--Albert Abraham Michelson, James Wolfensohn, Sigmund Freud, Benoît Mandelbrot, William Coley, Ejnar Hertzsprung, Eratosthenes, Ronald Fisher, Controversies surrounding Mahmoud Ahmadinejad, Indira Gandhi, Carolus Linnaeus, Robert Wedderburn (statistician)‎, Alfred Young, John Wishart (statistician), Pythagoras, Sextus Julius Africanus, Pierre-Simon Laplace, Abbas Ibn Firnas

History, esp. Europe and Holy Land--British Mandate of Palestine, Yam (god), Final Solution, numeral system, Seleucid era, Sol Invictus, Sunday, Constantine I and Christianity, vinegar, 2007 State of the Union Address, transistor, 4th century BC, Iran-Arab relations, History of Iran, Battle of Gaza (2007), Six-Day War, WMD theories in the aftermath of the 2003 Iraq War‎, Aethiopica, world population, neon lamp

Chemistry--carbon dioxide, methanol, hydrogen, methane, oxygen, glutamic acid, sodium acetate, carotene, fructosamine, alcohol dehydrogenase, fertilizer, moisture analysis, urea, polypropylene, methylglyoxal, soda-lime glass, zwitterion, glucose, sodium bicarbonate, domoic acid, histamine

Astronomy--Venus, Hubble's law, Andromeda Galaxy, galaxy formation and evolution, Astronomical unit, hydrogen, sun, dark matter, Dorado, Titius-Bode law, L chondrite, solar cycle, Milky Way, interstellar medium, 50000 Quaoar, impact event, near-Earth object

Linguistic contributions--Hamas, Allah, Hamsin, mildew, Rus' (people), polygonum, calendar date, coumarin, Helicobacter pylori, Hebrew language, Mary (mother of Jesus), Proto-World language, Fustat, Iranian languages

Physics--Debye model, virial theorem, transistor, lift-to-drag ratio, Viscosity of amorphous materials, true polar wander, radiohalo, firewalking, slipstream, electrical tester pen, depleted uranium

Religion--Trinity, Lord's Prayer, antinomianism, Nasoraean, heaven, Gospel of Matthew, Council of Jerusalem, Ogias the Giant, stoning, religion in Israel, Moses, Apocalypse of Elijah, Acts of the Apostles

Earth science--Bosporus, Geology of Iceland, Proto-Laurasia, jet (lignite),resource depletion, lithium, amphidromic point, tide, tidal acceleration, solar cycle

Hebrews--Moses and the Exodus, Ben Sira, Yeshua, Yeshu, Ariel Toaff, blood libel against Jews, Hanan ben Hanan, Rav Nachman

Paleontology and archeology--Kostenki, sewing needle, concrete, Neanderthal, circumcision, Clovis culture, shoe, eukaryote

Finance--Modeling and analysis of financial markets, Capital recovery factor, Louis Bachelier, volatility, rice shortage, inflation, Criticism of fractional-reserve banking

Places--Mount Sinai, Hala-'l Badr, Mount Etna, Basel, Mount Vesuvius, Sodom and Gomorrah, Temple Mount, Syria

Units--Billion, astronomical unit, megaparsec, standard cubic foot, ton of oil equivalent, gallon, cubic foot, bushel, Saffir-Simpson Hurricane Scale

Unusual events in the past--Tunguska event, Cando, Spain, Ann Alexander (ship), Younger Dryas impact event, 365 Crete earthquake

Botany--Euphorbiaceae, Wild lettuce, skunk cabbage, Scopolia, cassia, flowering plant, Poaceae, coffee

Zoology--sperm whale, cattle, Glires, skull, sea bass, heart, dairy, amniote, yeti, lemur

Calendars--Gregorian calendar, Revised Julian Calendar, lunisolar calendar, Computus

Chronology--8th millennium BC, Detailed logarithmic timeline, einkorn wheat

Biology--P53 (protein), protein homology, muscle contraction, genome, control of respiration, hemolymph, blood

Computing--Wi-Fi, MSN Hotmail, System Restore

Some pages I have started:

My homepage: Eric.Kvaalen.com