basic statistics understanding conventional methods and modern insights jul 2009

... purely to act as a holder of utility methods and fields. A static class cannot contain any instance data or methods, and it does not make sense to try and create an object from a static class ... Understanding static Methods and Data In the previous exercise you used the Sqrt method of the Math class. If ... Math. So, what's happening and how does this work? You wi...

Ngày tải lên: 15/12/2013, 00:15

... methodology to a wide audience, simply and intuitively, through resampling from the data at hand. The resampling methods permutations and the bootstrap—are easy to learn and easy to apply. They require ... research workers, and students in the bio- logical and social sciences will find here a practical and easily grasped guide to descriptive statistics, estimation, testing hypoth...

Ngày tải lên: 01/06/2014, 10:03

... high random error; lowlno constant error low random error; lowlno constant error low random error; high constant error high random error; high constant error Figure 2.4 Random and constant ... discussed the consequent weaknesses and implications. 38 RESEARCH METHODS AND STATISTICS IN PSYCHOLOGY , r ,' ,, -2 " i HOW TO SAMPLE RANDOMLY &&apos...

Ngày tải lên: 15/02/2014, 16:20

... analysers 498 CONTENTS xi 22 Basic statistical parameters 501 22.1 Mean value, accuracy of a collection of measurements 501 22.2 Variance and standard deviation 504 22.3 Random or indeterminate errors ... 455 19.3 Other ion selective electrodes 457 19.4 Slope and calculations 460 19.5 Applications 463 Problems 463 20 Voltammetric and coulometric methods 465 20.1 General principles 4...

Ngày tải lên: 01/04/2014, 10:59

... measurements”), and he developed staple notions like the mean and standard deviation. Pearson’s revolutionary work laid the basis for modern statistics. But if he was the Marx of statistics (he ... it be replicated and conrmed in other samples and other settings. Summary Confounding bias, chance, and causation – these are the three basic notions that underlie statistics a...

Ngày tải lên: 24/09/2012, 09:06