Analysis of covariance (ancova), Applied Statistics

Analysis of covariance (ANCOVA)

It is initially used for an expansion of the analysis of variance which permits to the possible effects of continuous concomitant variables (such as covariates) on the response variable, additionally to the effects of the factor or the treatment variables. Generally supposed that covariates are unaffected by the treatments and that their relationship to the response is linear in nature. If such a relationship exists then the inclusion of covariates in this means decreases the error mean square and thus increases the sensitivity of the F-tests used in assessing the treatment differences. The term now seems to also be more generally used for almost any of the analysis seeking to assess the relationship among response variable and a number of the explanatory variables

Posted Date: 7/25/2012 5:20:47 AM | Location : United States







Related Discussions:- Analysis of covariance (ancova), Assignment Help, Ask Question on Analysis of covariance (ancova), Get Answer, Expert's Help, Analysis of covariance (ancova) Discussions

Write discussion on Analysis of covariance (ancova)
Your posts are moderated
Related Questions
Exercise: (Binomial and Continuous Model.) Consider a binomial model of a risky asset with the parameters r = 0:06, u = 0:059, d =  0:0562, S0 = 100, T = 1, 4t = 1=12. Note that u

Harmonic Mean  The harmonic mean  also called harmonic  average, in the total numbers of items of variable divided by the sum of r reciprocals of the values of the variable. In

If the test is two-tailed, H1:  μ ≠  μ 0  then the test is called two-tailed test and in such a case the critical region lies in both the right and left tails of the sampling distr

Sampling A  Population  is a collection of all the data points being studied. For example, if we are studying the annual incomes of all the people in India, then the population

Correlation The board of directors of Bata Company is faced with the problem of estimating what the annual sales might be in a shop to be opened in Bagpur where Bata has not op

The Null Hypothesis - H0:  The random errors will be normally distributed The Alternative Hypothesis - H1:  The random errors are not normally distributed Reject H0: when P-v

Theories of Business forecasting

Suppose both the Repair record 1978 and Company headquarters are believed to be significant in explaining the vector (Price, Mileage, Weight). Here, because of the limited sample s

A study was designed to investigate the effects of two variables - (1) a student's level of mathematical anxiety and (2) teaching method - on a student's achievement in a mathemati

Regression line drawn as Y=C+1075x, when x was 2, and y was 239, given that y intercept was 11. calculate the residual