Sentence examples similar to Substituting missing data with imputed values from inspiring English sources

In addition, we performed sensitivity analyses substituting missing data with a missing value indicator variable, and by using complete case analyses restricted to participants with known values of all covariates.

This procedure creates multiple copies of the dataset and in each dataset replaces missing data with imputed values, sampled from their predictive distribution [ 26].

For the CES-D and DFCS, we substituted missing data with the mean if <25% of the data were missing.

SRI substitutes missing data with mean and random value.

In a second sensitivity analysis, we replaced missing covariate data with imputed values, although one assumption required by these techniques was not met (that the covariates had a multivariate normal distribution), and another might not have been true (that data were missing at random).

The multiple imputation procedure consisted of using a regression model fitted for each variable with missing data with 3 imputed data sets [ 52].

We substituted missing regional data with average national data.

Prior to performing our statistical analyses, item-level missing data was filled in with imputed values using multiple linear regressions on the cases without missing data.

For continuous data we substituted missing values by the median value of the variable.

Sensitivity analyses reveal that there were no significant difference between participants with missing data and the sample with imputed values.

We then estimated the calibration slope on individuals with fully observed data, individuals with imputed values and all individuals.