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The mean standard deviations, moments of kurtosis and of skewness by date of survey for weight-for-height/length (WHZ). All survey data except for that contributed by agency “t”. The blue columns are for the surveys when applying World Health Organisation criteria for excluding presumably erroneous data points and the red columns using SMART criteria for data exclusion. The error bars above the columns are the standard errors of the mean and below the columns the standard deviations
