the world’s first drone-enabled water sampling and data collection system, designed to drastically increase sampling rates and accuracy while reducing the number of required field personnel and ...

Although all three panels use similar methods for recruitment, differences in the timing and design of recruitments, the use of incentives, sampling procedures for individual ... Typically, data ...

cast doubts on the soundness of data collection procedures of some of the surveys such as the National Sample Survey (NSS), National Family Health Survey (NFHS) and Periodic Labour Force Survey ...