Abstract: The problem of sequential anomaly identification is considered, where multiple data sources are simultaneously monitored and the goal is to identify in real time those, if any, that exhibit ...

I had a credential mismatch issue with AWS earlier, and my Ray Data job just stuck at hanging for Parquet metadata sampling. It was only by looking at the task dashboard did I see that I had 160 ...

A recent article explained the role of Gas Chromatography-Mass Spectrometry (GC/MS) in the analytics laboratory. The current article focuses on reviewing the technology used for preparing volatile ...

Two weeks ago, I made the case for specifying the global problems you wish to spend years on. Today I want to place these choices at the right altitude, because from arm’s length everything blurs and ...

A behind-the-scenes blog about research methods at Pew Research Center. For our latest findings, visit pewresearch.org. Every survey finding published by Pew Research ...

Sampling (or sample) bias is a widespread concern in scientific research, across several disciplines. The concept of sampling bias originated in statistical studies. The consequence of a biased sample ...

ORANGE COUNTY, Fla. – If you received a sample ballot in the mail from the Orange County Supervisor of Elections, it is critical to carefully check it. Ballots were sent to about 89,000 voters ahead ...

ORANGE COUNTY, Fla. – The Orange County Supervisor of Elections announced on Friday a printing error on thousands of sample ballots for the upcoming Special General ...

Targeting matters most. Surveying the wrong audience can lead to misleading data and poor decisions, even if the questions themselves are solid. Weighting shapes reality. Overrepresenting certain ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. A crucial issue in the plastic recycling industry is the loss of quality in recycled ...

Data quality control programs used in the mineral industry normally define tolerance limits based on values considered as good practice or those that have previously been applied to similar deposits, ...

In just about any discussion of a poll about the very close presidential race between Vice President Kamala Harris and former President Donald Trump, you’ll hear ...