How do we test the reliability of a model?
The model can be tested by applying it to new data as time goes by. Another possibility is to build the model on the basis of a portion of the available data, then test its performance on the "fresh" data that were initially withheld from the model.
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According to Warren Bennis
A. the leader initiates, while the manager waits for directives. B. the leader is charismatic, while the manager is a functionary bureaucrat. C. the leader is acclaimed, while the manager is appointed. D. the leader orders, while the managers requests. E. the leader inspires, while the manager controls.
A ________ is a professional that poses as a customer to assess customer service performance.
What will be an ideal response?
If the object of an offer becomes illegal after the offer was made, but before it is accepted, the
offer remains valid because it was legal when made. Indicate whether the statement is true or false
Project managers must be good communicators
a. True b. False Indicate whether the statement is true or false