Coefficient Of Correlation Formula

Model II regression should be used when the two variables in the regression equation are random and subject to error, i.e. not controlled by the researcher. Model I regression using ordinary least squares underestimates the slope of the linear relationship between the variables when they both... Platforms: Matlab

polyfitweighted2.m and polyval2.m---------polyfitweighted2.m: Find a least-squares fit of 2D data z(x,y) with an n th order polynomial, weighted by w(x,y).polyval2.m: Evaluate 2D polynomial produced by polyfitweighted2.m.Usage polyfitweighted2-----P = polyfitweighted2(X,Y,Z,N,W) finds the... Platforms: Matlab

This interactive simulation shows a stone block lying at rest on an inclined plane. Initially, the component of gravity along the plane surface is exceeded by the force of static friction. The slope of the ramp can be increased or decreased, allowing students to see the exact point when the... Platforms: Mac

The Ejs Platform on Two Rotating Cylinders model displays the model of a platform resting on two equal cylinders are rotating with opposite angular velocities. There is kinetic friction between each cylinder and the platform. The separation between the cylinders and the coefficient of kinetic... Platforms: Mac

The program takes the columns of an input matrix and calculates the auto and cross correlation of these columns using an fft method. The result is very similar to the xcorr function. This method could be used to evaluate the cross correlation of repeating code sequences, and other similar... Platforms: Matlab

Computes the distance 2-point correlation function of a finite 2D lattice. The functions is:[ coorfun r] = twopointcorr(x,y,width,height,dr)Where x is the list of x coordinates of lattice points. y is the list of y coordinates of the lattice points, width is the width of the lattice, height is... Platforms: Matlab

References:Fisher, N.I. and A.J. Lee (1983) A correlation coefficient for circular data. Biometrika Trust. 70(2):327-332 http://biomet.oxfordjournals.org/cgi/conte...stract/70/2/327Fisher, N.I. (1996) Statistical Analysis of Circular Data. Cambridge University Press.ISBN 0521568900,... Platforms: Matlab

This function computes double block bootstrap percentile confidence intervals and bootstrap standard errors for the Pearson correlation coefficient r and Fisher's z = atanh(r).References:-Efron, B. and R.J. Tibshirani (1993): An Introduction to the Bootstrap, Chapman & Hall.-BdoDshlmann, P. and... Platforms: Matlab

Model for Soft Independent Modeling of Class Analogy (SIMCA) simca_model=simca(x,classes) input: x (samples x descriptors) for calibration classes (samples x 1) classes numbers (must be >0) output: simca_model struct with: models (1 x No. classes) struct with: (one for each class) x (samples x... Platforms: Matlab

REO Riches Formula is the number one resource for investing in Bank Owned properties. The fact is that foreclosures are happening in record numbers and now using Jeff Adams system you can profit from the massive amount of bank owned REO's. Platforms: OS/2, Windows, Mac, *nix, Palm OS, Windows CE, Pocket PC, Other,Android,BlackBerry,iPhone,iPod,iTouch,Palm,Palm OS 6.0,Not Applicable,Handheld/Mobile Other,Java

Uses fft to calculate the circular cross correlation of two periodic signal vectors.This is equivalent to xc(k)=sum(u1.*circshift(u2,k)), but much faster (on the order of 500 times faster for a 1024 point signal).The package also includes two examples. One checks the calculation against the... Platforms: Matlab

The absorption coefficient can be obtained empirically by using Thorp's formula.Thie formula that used in the code is generally valid for the frequencies above a few hundred hz.The absorption coefficient is used to find the absorption loss part of the path loss in underwater wirelss... Platforms: Matlab

The correlation coefficient calculation is implemented not with built-in function corr or corr2 but with conv2. Function corr is relatively slow for template matching purpose and it is also required extra considerations on controlling the boundary and selecting region of interest on the frame... Platforms: Matlab

Computes the gini coefficient when given a set of values and population weights.Short on documentation and checks. Platforms: Matlab

This function can calculate any of the 6 different ICCs defined by McGraw as well as their confidence intervals. In addition a hypothesis test is performed with the null hypothesis that ICC = r0. This function calls anova_rm (provided inside the zip file).Syntax:[r, LB, UB, F, df1, df2, p] =... Platforms: Matlab

The solution of the nearest correlation matrix applies the hypershpere or spectral decomposition methods as outlined in Monte Carlo methods in Finance by Peter Jackel, Chapter 6.Use CorrelationExample.m that applies a simple example for the two cases. Platforms: Matlab

GAUSSian REALIZation of a random variable with standard deviation sigma and correlation length lambda Platforms: Matlab

The function circumcircle takes input as the coordinates of the three vertices of a triangle and compute the circum center and circum radius by using the formula in terms of the length of sides and area of triangle and plot the circumcircle. Platforms: Matlab

The Binomial Coefficient model displays the number of ways k objects can be chosen from among n objects when order is irrelevant. This number is known as a binomial coefficient and can be used to predict the the flipping of n coins with equal probability of heads and tails. The Binomial... Platforms: Mac

If you like speed and fast cars then this extremely realistic 3D Formula One screensaver is for you. Watch as the best drivers in the world battle each other for the Grand Prix. You will not need to wait for the next F1 broadcast - the show is always right there for you. Your monitor will take... Platforms: Windows