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Debug diagnostic in sim_core signals error when model uses index variables #370

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Debug diagnostic in sim_core signals error when model uses index variables #370

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2c4dba4
replace as.character with deparse, as per pull request #285
rxg Dec 7, 2022
3cd570d
produce appropriate data frame for n = 1
rxg Dec 8, 2022
e270793
produce appropriate data frame for n=1
rxg Dec 8, 2022
7874b77
Use t to transpose
rxg Dec 8, 2022
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12 changes: 10 additions & 2 deletions R/map-quap-class.r
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Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,11 @@ function( object , n=10000 , clean=TRUE , ... ) {
} else {
mu <- xcoef(object)
}
result <- as.data.frame( mvrnorm( n=n , mu=mu , Sigma=vcov(object) ) )
if ( n==1 ) {
result <- as.data.frame( t( mvrnorm( n=n , mu=mu , Sigma=vcov(object) ) ) )
} else {
result <- as.data.frame( mvrnorm( n=n , mu=mu , Sigma=vcov(object) ) )
}
if ( clean==TRUE ) {
# convert (Intercept) to Intercept
for ( i in 1:ncol(result) ) {
Expand All @@ -112,7 +116,11 @@ setMethod("extract.samples", "map",
function(object,n=1e4,...){
# require(MASS) # import now, so no need to require?
mu <- object@coef
result <- as.data.frame( mvrnorm( n=n , mu=mu , Sigma=vcov(object) ) )
if ( n==1 ) {
result <- as.data.frame( t( mvrnorm( n=n , mu=mu , Sigma=vcov(object) ) ) )
} else {
result <- as.data.frame( mvrnorm( n=n , mu=mu , Sigma=vcov(object) ) )
}
# convert vector parameters to vectors in list
veclist <- attr(object,"veclist")
name_head <- function(aname) strsplit( aname , "[" , fixed=TRUE )[[1]][1]
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2 changes: 1 addition & 1 deletion R/sim.r
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Expand Up @@ -17,7 +17,7 @@ sim_core <- function( fit , data , post , vars , n , refresh=0 , replace=list()
f <- fit@formula[[1]]
for ( i in 1:length(fit@formula) ) {
f <- fit@formula[[i]]
left <- as.character( f[[2]] )
left <- deparse( f[[2]] )
if ( left==var ) {
if ( debug==TRUE ) print(f)
break
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