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  2. Variance of the mean and predicted responses - Wikipedia

    en.wikipedia.org/wiki/Variance_of_the_mean_and...

    The predicted response distribution is the predicted distribution of the residuals at the given point xd. So the variance is given by. The second line follows from the fact that is zero because the new prediction point is independent of the data used to fit the model. Additionally, the term was calculated earlier for the mean response.

  3. Ordinary least squares - Wikipedia

    en.wikipedia.org/wiki/Ordinary_least_squares

    These asymptotic distributions can be used for prediction, testing hypotheses, constructing other estimators, etc.. As an example consider the problem of prediction. Suppose x 0 {\displaystyle x_{0}} is some point within the domain of distribution of the regressors, and one wants to know what the response variable would have been at that point.

  4. Probability distribution fitting - Wikipedia

    en.wikipedia.org/wiki/Probability_distribution...

    Probability distribution fitting. Probability distribution fitting or simply distribution fitting is the fitting of a probability distribution to a series of data concerning the repeated measurement of a variable phenomenon. The aim of distribution fitting is to predict the probability or to forecast the frequency of occurrence of the magnitude ...

  5. Maximum likelihood estimation - Wikipedia

    en.wikipedia.org/wiki/Maximum_likelihood_estimation

    Maximum likelihood estimation. In statistics, maximum likelihood estimation ( MLE) is a method of estimating the parameters of an assumed probability distribution, given some observed data. This is achieved by maximizing a likelihood function so that, under the assumed statistical model, the observed data is most probable.

  6. Projections of population growth - Wikipedia

    en.wikipedia.org/wiki/Projections_of_population...

    The table below shows that from 2020 to 2050 and beyond to 2100, the bulk of the world's population growth is projected to take place in Africa. Of the additional 1.9 billion people projected between 2020 and 2050, 1.2 billion will be added in Africa, 0.7 billion in Asia and zero in the rest of the world.

  7. Prediction interval - Wikipedia

    en.wikipedia.org/wiki/Prediction_interval

    Prediction interval. In statistical inference, specifically predictive inference, a prediction interval is an estimate of an interval in which a future observation will fall, with a certain probability, given what has already been observed. Prediction intervals are often used in regression analysis . A simple example is given by a six-sided die ...

  8. Statistical inference - Wikipedia

    en.wikipedia.org/wiki/Statistical_inference

    v. t. e. Statistical inference is the process of using data analysis to infer properties of an underlying distribution of probability. [1] Inferential statistical analysis infers properties of a population, for example by testing hypotheses and deriving estimates. It is assumed that the observed data set is sampled from a larger population.

  9. Probabilistic forecasting - Wikipedia

    en.wikipedia.org/wiki/Probabilistic_forecasting

    Probabilistic forecasting summarizes what is known about, or opinions about, future events. In contrast to single-valued forecasts (such as forecasting that the maximum temperature at a given site on a given day will be 23 degrees Celsius, or that the result in a given football match will be a no-score draw), probabilistic forecasts assign a ...