similar to: How to save a model in DB and retrieve It

Displaying 5 results from an estimated 5 matches similar to: "How to save a model in DB and retrieve It"

2011 Nov 11
2
One step way to create data frame with variable "variable names"?
Suppose plotx <- "someName" modx <- "otherName" plotxRange <- c(10,20) modxVals <- c(1,2,3) It often happens I want to create a dataframe or object with plotx or modx as the variable names. But can't understand syntax to do that. I can get this done in 2 steps, creating the data frame and then assigning names, as in newdf <- data.frame( c(1, 2, 3, 4),
2006 Apr 24
2
Ror has problems with memory usage??
I saw this on a forum for MODx (a CMS which seem very good, built on standards, with clean XHTML/CSS, using PHP). "RoR is a killer application, but is either a crusher when it comes to memory usage or SQL usage. Even simple seeming things can kill a server if it''s not dedicated to the application. In addition, RoR is much more complex really than MODx if you''re not
2011 Apr 05
0
frailty
Hi R-users I spend a lot of time searching on the web but I didn?t found a clear answer. I have some doubts with 'frailty' function of 'survival' package. The following model with the function R ?coxph? was fitted: modx <- coxph(Surv(to_stroke, stroke) ~ age + sbp + dbp + sex + frailty(center,distribution = "gamma", method='aic'), data=datax) Then I get
2010 Mar 01
4
repeated measures anova, car package
Hello list, I' d very much appreciate some help with a two sample repeated measures ANOVA. I did the analysis yielding sign. main effects (between subj.=site, within subj.=cover) and a sign. interaction: Univariate Type II Repeated-Measures ANOVA Assuming Sphericity SS num Df Error SS den Df F Pr(>F) site 18.7620 1 18.831 10 9.9631 0.010220 *
2005 Dec 27
3
CMS centos3
Anyone using or recomend a content management system that will install without out a lot of mucky muck on a Centos3 system? I looked at Zope but it needs a newer Python, Midgaard looks likes it's geared towards RHEL4. OpenCMS looks like it runs on java so that might work. I have yet to look at Rubyrails and Django.