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2017 Jun 21
0
Advanced bootstrap question
...e two datasets. The two datasets have entirely different contents (variable and numbers of observations. MWE follows: library(boot) library(car) library(dplyr) (first.df <- data.frame(cluster=gl(2,2,4),z=seq(1,2))) (second.df <- data.frame(y=1:2)) boot_script <- function(X,d) { zbar <- mean(sample_n(group_by(first.df,cluster),1)$z) return( c(zbar, zbar * mean(X[d,"y"]) )) } ## Results based on the original data (original.zbar <- mean(first.df$z)) mean(original.zbar * second.df[,"y"]) ## Bootstrapped results ## Problem: "Original" is...
2012 Jul 06
1
multiword synoyms
I am using synoyms and cannot determine how to use them in following example: $db->add_synonym('Zfoobar','Zfoo Zbar') or $db->add_synonym('Zfoobar','Zfoo AND Zbar') Or is this general not possible? MfG Felix