Nyquist folding receiver (NYFR) [16] is a secondary sampling scheme as shown in Fig. 1.
For example, subsequent work in Korea or Singapore to find a matching university sample for the CTSR may allow comparisons with the US university data set, or a US secondary sample could be used to compare the LPDI with the current samples from Korea and Singapore.
The firm sample consists of a primary, experimental sample and a secondary, booster sample.
McQuaid stressed that he would not pass judgment on Landis until a laboratory has tested the secondary sample.
Paired observations were extracted from the forest cover map and the reference data for a random selection of 50 secondary sample units (SSUs) in the form of pixels within each PSU.
Parents of adolescents in treatment or those having already undergone treatment (secondary sample) reported an average cost of treatment of $1650 over an approximately 36-month period.
Landis could be stripped of his Tour de France title if a secondary urine sample confirms the positive result, and some people in cycling are wondering whether something drastic — like temporarily shutting down the sport — is necessary to prevent a terminal exodus of sponsors and disillusioned fans.
After no hires occurred in a first phase, the control group was also offered the treatment, and a secondary booster sample of 175 larger firms that were potentially interested in hiring workers through the program was added.
There is one main surviving one I think now, and a secondary surviving sample, and they are in museums.
Also we did not attempt to capture co-occurring or changing diagnoses which present potentially complex issues for analysis in a secondary care sample and which we felt were beyond the scope of this initial report.
