Which Hadoop Files System shell command copies data from a local file system into HDFS?
You are analyzing written transcripts of focus groups conducted on product X. You approach is to use TF-IDF for your analysis.
What combination of TF-IDF scores should you examine to ensure you only report on the most important terms?
A hotel chain runs a simul-ation on room pricing. They want to estimate revenue, per hotel, within +/- $10 with 95% confidence (Za/2=1.96). The estimated revenue standard deviation is $5000 based on previous booking data.
What is the optimal number of simulation trials to run?
TESTED 22 Dec 2024
