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Fig. 3 | BMC Medical Research Methodology

Fig. 3

From: Identifying biologically implausible values in big longitudinal data: an example applied to child growth data from the Brazilian food and nutrition surveillance system

Fig. 3

Trajectories of length/height (A, B, C) and weight (D, E, F) of 1,000 randomly selected girls in the initial dataset (A and D) and after removing POs (B and E) and LOs (C and F). Notes: Longitudinal outliers (LOs) were based on the most conservative cutoff (<-3 / >+3). The black dashed line represents the observed mean curve based on all observations. To maintain scale and comparability there were observations that were not shown in panels A and D (available upon request)

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