PROC SURVEYSELECT provides a variety of methods for selecting probability-based random samples. With probability sampling, each unit in the survey population has a known, positive probablity of ...

i.e. a sample of units from the population drawn in accordance with a well-prescribed selection mechanism. This report describes the various sample designs and weighting methods regularly used at ...

Accurate forest volume estimation is crucial for sustainable forest management, but the most commonly used methods often rely on models that may not always be applicable across different tree species ...

place it at the sampling points and then you can count the number of organisms of one species or the number of different species. Whatever the method, respect the species you're studying by ...

Genital human papillomavirus is the most common sexually transmitted infection in the United States and is thought to be responsible for more than 99% of cervical cancers.

MDA The results of a new study looking for emerald ash borer in Minnesota is noteworthy and somewhat surprising, scientists say. The Minnesota Department of Agriculture recently ...

Sandeep Shastri is Director-Academics, NITTE Education Trust, and National Coordinator of the Lokniti Network; Sanjay Kumar ...