big data, data collection, data quality, Data science, free, methodologies, quantitative methods, research data, research methods, sample size, statistical decision theory, statistics, survey
More data or better data? Using statistical decision theory to guide data collection
When designing data collection, researchers must take important decisions on how much data to collect and what resources to devote to enhancing the quality of the collected data. But the threshold for choosing better over bigger data may be reached long before the sample numbers in the thousands, write Jeff Dominitz and Charles F. Manski. Big data has become an […]