Ah, this is the kind of question I feel pretty confident about. HP is a major player in this space, so I'm going to go with the higher end of the options and select 45%.
Okay, I've got a strategy for this. I'll think about HP's brand recognition and product lineup, then cross-reference that with industry reports on market share trends. I should be able to make a solid educated guess.
I'm not totally sure about this one. The options seem to cover a wide range, so I'll need to do some quick research on HP's market position to narrow it down.
Hmm, this seems like a pretty straightforward market share question. I'll need to think about the overall size of the imaging and printing market and then estimate HP's position within that.
This looks like a pretty straightforward Spark word count problem. I think option B is the correct answer - it uses flatMap to split the lines into words, then maps each word to a (word, 1) pair, and finally reduces by key to get the word counts.
Ah, I see. Using a CSV file with Test.loadData() seems like a good way to set up the test data. That way, I can control the exact field values I need. I'll give that a try.
I'm a bit confused by this question. Do I need to create a new column and use the TRIM function, or can I just remove the spaces directly? I'll try a few different things and see what works.
Lindsay
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