In explaining group and team decision-making, Chapter 7 says…

In explaining group and team decision-making, Chapter 7 says bad group decisions can come about through too much agreement among members, noting that Irving Janis calls this phenomenon _________, an unwillingness, for the sake of harmony, to examine ideas critically. In the chapter they list several characteristics of groups that succumb to this effect.

In the Apache Spark Machine Learning Case Study entitled “Ti…

In the Apache Spark Machine Learning Case Study entitled “Titanic Survival Random Forest Model”, what were the features that were chosen to factor into the Random Forest predictive model prediction of whether or not someone survived the Titanic Iceberg Collision Disaster in the early 20th century?  Roughly speaking, how accurate was the model in its predictions using the Random Forest Machine Learning algorithm on the supervised learning dataset based on these features?