search for: yit

Hi there, I am trying to compute Gini coefficients for vectors containing income classes. The data I possess look loke this: yit <- c(135, 164, 234, 369) piit <- c(367, 884, 341, 74 ) where yit is the vector of income classes, and fit is the vector of associated frequencies.(This data is from Rustichini, Ichino and Checci (Journal of Public Economics, 1999) ). In ineq pacakge, Gini( ) doesn't seem to handle frequ...

I would like to fit a 2-level mixed model: yit=a+a[i]+a[it] +(b+b[i]+b[it])*xit+eps[it] However, the variance of the second level components should depend on the group, i.e. sigma for a[it] and b[it] should be [i] specific. I do not know whether this is conceptually right in the mixed model context... In case it stands, how should the formul...

Hi All Andrily, Thanks for the information. I've tried setting the config file. YIt doesn't work. I've checked with the application support. According to them, the OS check is done by InstallShield product functionality. Anyone has any idea how Installshiled detects the version of os ( can't find such info on their website!) and how we can workaround it. Thanks again...

Dear list members, I am working with a multilevel growth curve, that in its simplest form goes like follows: Yit = Ai + Bi t + eit (the error term is assumed to follow an AR(1) autorregressive process) One major topic in my research is the convergence in the values of Y over time. Thus, I am interested in the relationship between the random effects for the intercept and the slope, and I have a couple of...

...e count responses. I generated the data like this: Set ?0 = ?1 = 1, ?0 = 3, and n = 50. For each 1 ? i ? n, Simulate xi from N (1, 1). Simulate zi0 and zit from zi0 follows i.d. Poisson (?0) , zit | xi follows i.d. Poisson (?it) , 1 ? t ? 3, log (?it) = log(E (zit | xi)) = ?0t + xi?1t = 1+xi. Let yit = zi0 + zit, 1 ? t ? 3. So my data frame, let me call it 'simdata', the first 10 rows look like this: id y.1 y.2 y.3 x 1 3 5 6 -0.06588626 2 6 7 6 -0.08265981 3 6 8 13 0.58307719 4 22 21 28 2.21099940 5 5 12 8 1.06299869 6 8 21...

Good day R-listers, My question is more a statistical question than an R related question, so please bear with me i'm currently applying the chow test of poolability in fact i'm working with panel N=17 T=5 , and my model looks like this : Yit= a0+B1X1+B2X2+B3X3+B4X4+eit My question is the following when i'm Testing for the equality of the coefficients of the unpooled data (the last stage) many of my constraints get dropped, this indeed impact the degree of freedom of my F statistic , and would like to understand the reason? is t...

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Hello list. I'm trying to rebuild the 2.6.9.67.0.20.EL kernel, but it fails even without modifications. How did I try it? Created a (non-root) build environment (not a mock ) Installed the kernel.scr.rpm and did a rpmbuild -ba --target=`uname -m` kernel-2.6.spec 2> prep-err.log | tee prep-out.log The build failed at the end: Processing files: kernel-xenU-devel-2.6.9-67.0.20.EL Checking