Sentence examples for unmatched sample from inspiring English sources
For easier reading, we show only the bias for explanatory variables that present a high standardized difference (10 or higher) in the unmatched sample.
The results from the various estimations are reported in Section 4, both for the matched and the unmatched sample, ending with a brief summary of the robustness check.
In the upper part we present the result for models using the whole unmatched sample of students who did not attend preschool and all counterparts who attended preschool for 3 years or more (i.e., before the matching).
The overall coverage depth performance is similar in both the matched and unmatched sample sets.
This latter set of 18 samples is referred to as the "unmatched sample set," and they are analyzed and reported separately throughout this manuscript.
As further discussed below, Raindance performance on the unmatched sample set was markedly lower than observed for the matched sample set, primarily due to an outlier sample with low (38%) on-target efficiency.
However, previous studies have employed region-of-interest approaches or have used small or unmatched samples, with a consequent risk of type II error.
The results of the SPF models are presented in Table 4 for the unmatched samples and in Table 5 for the matched samples.
The DiD estimates for the unmatched samples (before we perform matching) are also reported in Table 3 is the coefficient estimate for the interaction term b 3 in estimate for the interaction term b 3 in Eq. 1.
To get a closer look at how exactly the matching worked in each case, Table 6 in the Appendix shows the number of observations that were dropped and retained after matching per cohort, treatment and matching estimator.7 More detailed information for the unmatched samples are provided in Table 7 in the Appendix.
where is the number of enrolled volunteers; is the average number of samples per volunteer; is the number of false nonmatches for the th volunteer; is the proportion of unmatched samples for the th volunteer; is the observed FRR for all volunteers; is the estimated variance of the observed FRR rate.
