Data scientists had to battle " concept drift ," where the statistical properties of target variables change unexpectedly, making older models obsolete. 4. Healthcare Data Explosion
The pandemic triggered a surge in biomedical and epidemiological data . This accelerated innovations in drug discovery and contact tracing . 5. Supply Chain Stress Testing Data Science: How the Pandemic Has Affected 10 ...
Models relying on past data (e.g., predictive analytics ) failed because consumer behavior changed instantly. Teams pivoted to "descriptive analytics"—focusing on what is happening now —to make decisions. 2. Rapid Cloud Migration Data scientists had to battle " concept drift