umx_read_lower will read a lower triangle of data, either from the console, or from file, and return a full matrix, optionally coerced to positive definite. This is useful, especially when copying data from a paper that includes just the lower triangle of a correlation matrix.
umx_read_lower(file = "", diag = TRUE, names = NULL, ensurePD = FALSE)Path to a file to read (Default "" will read from user input)
Whether the data include the diagonal. Defaults to TRUE
The default names for the variables. Defaults to as.character(paste("X", 1:n, sep=""))
Whether to coerce the resultant matrix to positive definite (Defaults to FALSE)
Other Data Functions:
noNAs(),
prolific_anonymize(),
prolific_check_ID(),
prolific_read_demog(),
umxFactor(),
umxHetCor(),
umx_as_numeric(),
umx_cont_2_quantiles(),
umx_lower2full(),
umx_make_MR_data(),
umx_make_TwinData(),
umx_make_fake_data(),
umx_make_raw_from_cov(),
umx_merge_randomized_columns(),
umx_polychoric(),
umx_polypairwise(),
umx_polytriowise(),
umx_rename(),
umx_reorder(),
umx_score_scale(),
umx_select_valid(),
umx_stack(),
umx_strings2numeric(),
umx