search for: kobrosly

Displaying 4 results from an estimated 4 matches for "kobrosly".

2013 May 21
2
problem with "transform" and "get" functions
Hello, I'm having a problem using the "transform" and "get" functions. I'm probably making a dumb mistake, and I need help! I start by making a small simulated dataset. I save the names of the variables in "var.names." Without getting into the details of it, I have to create a custom function to perform some statistics. As part of this, I need to sequentially
2010 Jun 04
2
using string as variable name in model
Hi, I made a small table of strings that will serve as variable names for lm models I will run. The table looks like this: > varnames num name 1 1 zCANTAB_log_IED_totaltrials 2 2 zCANTAB_log_IED_preED 3 3 zCANTAB_logPALerrors 4 4 zCANTAB_PALstages 5 5 zCANTAB_logRTI 6 6 zCANTAB_RVP_Totalmisses 7 7
2011 Jan 17
1
Retrieve "raw scores" in factor analysis
I'm working with a data collected through complex survey design. My goal is to conduct a factor analysis to extract two a priori, known factors, and to get factor scores for these factors. Unfortunately, the "svyfactanal" procedure from the Survey package does not allow for the calculation of either Thompson regression scores or Bartlett scores. So, I found several sources that say
2010 Jun 03
1
problem with 'svyby' function from SURVEY package
Hello, I'm using a complex survey dataset and my goal is to simply spit out a bunch of probability-weighted outcome variable means for the different levels of covariate. So I first define the structure of the study design (I'm using the CDC's NHANES data): dhanes <- svydesign(id=~PSU, strat=~STRATA, weight=~lab_weight, data=final, nest=TRUE) No problem there. Now I use the