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Check is.mids() #52

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Merged
merged 2 commits into from
Dec 7, 2018
Merged

Check is.mids() #52

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9a2237f
Check is.mids()
Dec 7, 2018
9e21c1b
check mice is attached before using complete()
TDJorgensen Dec 7, 2018
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23 changes: 17 additions & 6 deletions semTools/R/runMI.R
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
### Terrence D. Jorgensen
### Last updated: 1 September 2018
### Last updated: 8 December 2018
### runMI creates lavaan.mi object, inherits from lavaanList class


Expand Down Expand Up @@ -205,11 +205,22 @@ runMI <- function(model, data, fun = "lavaan", ...,
}
} else stop("Currently runMI only supports imputation by Amelia or mice")
} else if (is.list(data)) {
seed <- integer(length = 0)
imputeCall <- list()
imputedData <- data
m <- length(data)
class(imputedData) <- "list" # override inheritance (e.g., "mi" if Amelia)
if (is.mids(data)) {
m <- data$m
imputedData <- list()
requireNamespace("mice")
if (!"package:mice" %in% search()) attachNamespace("mice")
for (i in 1:m) {
imputedData[[i]] <- mice::complete(data, action = i, include = FALSE)
}
imputeCall <- list()
} else {
seed <- integer(length = 0)
imputeCall <- list()
imputedData <- data
m <- length(data)
class(imputedData) <- "list" # override inheritance (e.g., "mi" if Amelia)
}
} else if (is(data, "lavaan.mi")) {
seed <- data@seed
imputeCall <- data@imputeCall
Expand Down