Sentence examples for supplemental sample from inspiring English sources

His estimates for the period from 1983 to 2007 are based on the Federal Reserve's Survey of Consumer Finances, a questionnaire-based exercise that includes a supplemental sample of high-income households and has been carried out every three years since 1989.

I do not consider the supplemental sample of poor whites because they are excluded from the survey after 1991.

Descriptive statistics of variables used for the main sample and the supplemental sample are summarized in Table 1.

First, the Pew Internet study was conducted by telephone using a random digit dial (RDD) sample of wired phone and without a supplemental sample of cell-phones, something the Pew Center does periodically for their political surveys.

For reasons of economy, an independent national supplemental sample was not drawn in Round 4, as was done in each of the three previous rounds.

The supplemental sample set were grown on 7H10 agar, heat killed and DNA was isolated using the QIAGEN Genomic tip 100/g, cat.

From a subset initially constituted of 8 sampling stations, supplemental sampling stations were selected within a complementary data set and added one by one to the iterative geostatistical simulations.

For this study, I use data from 1979 to 2000 and limit my sample to the cross-sectional sample of whites and blacks and the supplemental samples of blacks.7 I drop observations that have missing information necessary to define the year and the state of entry; the detailed sample restrictions are described in the appendix.

The validation experiments were performed using the same RNA samples that were used for the microarray study and other supplemental samples.

Given that the supplemental minority sample that was added in 2007 was not part of the random, stratified sampling method at baseline, these minority respondents may not be representative of the African-American or Hispanic populations in the United States.

From the supplemental minority sample, 4,125 African-American and 1,674 Hispanic respondents completed the 2007 survey.