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Safer computation of cond number #54

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Merged
roninsightrx merged 2 commits into from
Dec 4, 2025
Merged

Safer computation of cond number #54

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72ba4fb
safe computation of condition number
roninsightrx Dec 4, 2025
61b5e56
safe computation of condition number
roninsightrx Dec 4, 2025
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11 changes: 9 additions & 2 deletions R/get_condition_number_for_fit.R
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Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,16 @@ get_condition_number_for_fit <- function(
}
mat <- as.matrix(fit$correlation_matrix)
if(!inherits(mat, "matrix") || diff(dim(mat)) != 0) {
cli::cli_abort("Needs a square matrix to calculate condition number.")
cli::cli_alert_warning("Needs a square matrix to calculate condition number.")
return(NA)
}
calc_condition_number(mat)
tryCatch({
cond <- calc_condition_number(mat)
}, error = function(e) {
cli::cli_alert_warning("Failed to calculate condition number: {e}")
cond <- NA
})
cond
}

#' Calculate the condition number given a matrix
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