Statistical Description of Data part 7

... member of pair, for (k=(j+1);k<=n;k++) { and second member. a1 =data1 [j] -data1 [k]; a2 =data2 [j] -data2 [k]; aa=a1*a2; if (aa) { Neither array has a tie. ++n1; 644 Chapter 14. Statistical Description ... Sum the squared difference of ranks. *d += SQR(wksp1[j]-wksp2[j]); 642 Chapter 14. Statistical Description of Data Sample page from NUMERICAL RECIPES IN C: THE ART OF S...

Ngày tải lên: 07/11/2013, 19:15

... http://www.nr.com or call 1-800- 872 -74 23 (North America only),or send email to trade@cup.cam.ac.uk (outside North America). Chapter 14. Statistical Description of Data 14.0 Introduction In this ... Introduction In this chapter and the next, the concept of data enters the discussion more prominently than before. Dataconsist of numbers, of course. Butthese numbers are fed in...

Ngày tải lên: 20/10/2013, 17:15

... significance of a difference of means is not the number of standard deviations that they are apart, but the number of so-called standard errors that they are apart. The standard error of a set of values ... powers of the input data, are almost always less robust than lower moments or statistics that involve only linear sums or (the lowest moment of all) counting. 612 Chapter 1...

Ngày tải lên: 24/10/2013, 15:15

... significance of a difference of means is not the number of standard deviations that they are apart, but the number of so-called standard errors that they are apart. The standard error of a set of values ... divided by the square root of the number of points in the sample. 616 Chapter 14. Statistical Description of Data Sample page from NUMERICAL RECIPES IN C: THE ART O...

Ngày tải lên: 24/10/2013, 15:15

... the data sets are drawn from the same distribution. Small values of prob show that the cumulative distribution function of data1 is significantly different from that of data2 . The arrays data1 ... Theory of Probability and Statistics (New York: Academic Press), Chapters IX(C) and IX(E). 628 Chapter 14. Statistical Description of Data Sample page from NUMERICAL RECIPES IN C...

Ngày tải lên: 28/10/2013, 22:15

... of red females N 21 # of green females N 22 # of green males N 12 # of males N 1 ⋅ # of females N 2 ⋅ 2. green # of red N ⋅ 1 # of green N ⋅ 2 total # N Figure 14.4.1. Example of ... association. In this case, the probability of a particular value of x given a particular value of y should be the same as the probability of that value of x regardless of y. Theref...

Ngày tải lên: 28/10/2013, 22:15

... (14.5 .7) where r true is the actual or population value of the correlation coefficient, and with a standard deviation σ(z) ≈ 1 √ N − 3 (14.5.8) 638 Chapter 14. Statistical Description of Data ... is the mean of the x i ’s, y is the mean of the y i ’s. The value of r lies between −1 and 1, inclusive. It takes on a value of 1,termed “complete positive correlation,” when the d...

Ngày tải lên: 07/11/2013, 19:15

... Monthly Notices of the Royal Astronomical Society , vol. 202, pp. 615–6 27. [2] Spergel, D.N., Piran, T., Loeb, A., Goodman, J., and Bahcall, J.N. 19 87, Science , vol. 2 37, pp. 1 471 –1 473 . [3] 650 ... case, define an effective D as the average 646 Chapter 14. Statistical Description of Data Sample page from NUMERICAL RECIPES IN C: THE ART OF SCIENTIFIC COMPUTING (ISBN 0-521-43...

Ngày tải lên: 07/11/2013, 19:15

... 0. 171 0.343 0. 371 0.2 57 2 4 0 0.086 −0.143 −0.086 0.2 57 0.886 2 5 5 −0.084 0.021 0.103 0.161 0.196 0.2 07 0.196 0.161 0.103 0.021 −0.084 4 4 4 0.035 −0.128 0. 070 0.315 0.4 17 0.315 0. 070 −0.128 0.035 4 ... argument respns in routine convlv , a set of Savitzky-Golay filter coefficients. nl is the number of leftward (past) data points used, while nr is the number of rightward (fu...

Ngày tải lên: 15/12/2013, 04:15

... fractionally small departures for all data points, or else fractionally large departures for a small number of data points. It is the latter interpretation, leading to the notion of outlier points, ... call 1-800- 872 -74 23 (North America only),or send email to trade@cup.cam.ac.uk (outside North America). actual data set  hypothetical data set hypothetical data set hypothe...

Ngày tải lên: 15/12/2013, 04:15