dropduplicates#

Purpose#

Drops duplicate observations from data.

Format#

x_new = dropduplicates(x[, varlist])#

Parameters:

x (matrix or dataframe) – data
varlist (string array) – Optional, list of variables to include in the check for duplicates. Default is across all variables.

Returns:

dup_report (dataframe) – Returns a dataframe with duplicate observations from x removed.

Examples#

new;

// Create file name with full path
fname = getGAUSSHome("examples/tips2.dta");

// Load the dataframe
tips2 = loadd(fname);

// Locate and remove the duplicate observations
tips_no_dups = dropduplicates(tips2);