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Charles Wheelan

Naked Statistics: Stripping the Dread from the Data

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    Dorel Curtescuje citiraoпрошле године
    Data Mining and Predictive Analysis
    Dauren Mussayevje citiraoпре 4 године
    flipped through the pages
    Oleg Sigidaje citiraoпре 4 године
    Lack of control seems to be the killer, literally.
    Oleg Sigidaje citiraoпре 4 године
    most dangerous kind of job stress stems from having “low control” over one’s responsibilities.
    Oleg Sigidaje citiraoпре 4 године
    the antidepressants are better than a placebo by only “a modest margin.”
    Dauren Mussayevje citiraoпре 4 године
    fancy
    Dauren Mussayevje citiraoпре 4 године
    for the sake
    Oleg Sigidaje citiraoпре 4 године
    I particularly disliked high school calculus for the simple reason that no one ever bothered to tell me why I needed to learn it
    Sergio Morenoje citiraoпре 5 година
    have always had an uncomfortable relationship with
    Serhiy Baryshnievje citiraoпре 6 година
    The challenge with any “before and after” kind of analysis is that just because one thing follows another does not mean that there is a causal relationship between the two.
    Serhiy Baryshnievje citiraoпре 6 година
    The p-value is the specific probability of getting a result at least as extreme as the one you’ve observed if the null hypothesis is true
    Serhiy Baryshnievje citiraoпре 6 година
    searched their own memories for a cause and then summoned that cause into memory
    Serhiy Baryshnievje citiraoпре 6 година
    People often speak about “lying with statistics.” I would argue that some of the most egregious statistical mistakes involve lying with data; the statistical analysis is fine, but the data on which the calculations are performed are bogus or inappropriate.
    Serhiy Baryshnievje citiraoпре 6 година
    These studies have produced findings crucial to our understanding of cardiovascular disease, many of which we now take for granted: cigarette smoking increases the risk of heart disease (1960); physical activity reduces the risk of heart disease and obesity increases it (1967); high blood pressure increases the risk of stroke (1970); high levels of HDL cholesterol (henceforth known as the “good cholesterol”) reduce the risk of death (1988); individuals with parents and siblings who have cardiovascular disease are at significantly higher risk of the same (2004 and 2005).
    Serhiy Baryshnievje citiraoпре 6 година
    To researchers, Framingham is best known as the home of the Framingham Heart Study, one of the most successful and influential longitudinal studies in the history of modern science.
    Serhiy Baryshnievje citiraoпре 6 година
    no amount of fancy analysis can make up for fundamentally flawed data
    Serhiy Baryshnievje citiraoпре 6 година
    any outlier—an observation that is particularly far from the mean in one direction or the other—is likely to be followed by outcomes that are more consistent with the long-term average
    Serhiy Baryshnievje citiraoпре 6 година
    Yes, it’s unusual for someone to be above the mean in height and below the mean in weight, but since you’ve paid good money for this book, I figured I should at least make you tall and thin.
    Serhiy Baryshnievje citiraoпре 6 година
    There is a common business aphorism: “You can’t manage what you can’t measure.” True. But you had better be darn sure that what you are measuring is really what you are trying to manage.
    Serhiy Baryshnievje citiraoпре 6 година
    even the most precise measurements or calculations should be checked against common sense
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