Sentence examples for missing data indicators from inspiring English sources

Let Y i denote the ith participant's vector of outcomes, so that participants may provide more than a single outcome, and let R i denote the corresponding vector of missing data indicators, where R i, j  = 1 if Y i, j is observed, where Y i, j and R i, j are the jth entries of Y i and R i respectively.

Analytical results derived from the multiply imputed data were compared with results obtained with other methods for dealing with missing data (including complete case analyses and with missing data indicators with single-value imputation).

In this study, deaths and other reasons for dropout were combined and missing data indicators were created based on them since they both resulted in permanent missing data.

Unfortunately, due to over 50% missing data for all indicators, none of the indicators in the poverty and inequality databas were seen in the selected indicators.

It is unknown how missing data for severity indicators, or for outcome (n = 128; 4 %), may have influenced results.

A relatively large amount of missing data on the indicators of pubertal development.

In the multivariate analysis, countries missing data for health indicators or control variables were excluded.

We excluded two deliveries not performed at Hvidovre Hospital due to transfers to other hospitals during labor and one delivery due to missing data on all indicators for unknown reasons leaving 247 deliveries for validation.

If the telephone and face-to-face respondents differed in terms of individual characteristics that were associated with non-response to questions about parents' education, then the estimates of the proportion with missing data on these indicators may be biased by over or under-representing those with missing data [ 6].

Other substance use was less common; 25.0% of the sample had used marijuana, and use of stimulants including ecstasy, cocaine, methcathinone, and methamphetamines was rare, as was injection drug use.> -wrap-foot> aSub-groups do not always add up to totals due to missing data Sexual health indicators for this population were mixed.

While mode effects were observed in the proportion of respondents who answered questions about their parents' education, there were no differences between the telephone and face-to-face surveys in the demographic and socioeconomic variables associated with having missing data on the indicators of early life SEP.