NetApp

Brian McKean from NetApp presented to the class a data analysis problem he'd like to get some help on.

Overview

Listen to his presentation carefully. Write down the answers to the following questions to show your team's understanding of the basics of the problem.

NetApp - Network Appliance

What is the problem?

NetApp needs to know if they can replace their HDD with SSD

Can NetApp use cheaper SSDs?

They might be able to ,but that's the problem that they're working on.

Why is the problem importnat?

This affects the profit of their business

What dataset has been made available?

data recording server information in three cities where the data warehouses are at

What specific questions are being raised?

What is this dataset telling us?

Can I replace the hard drives with cheaper SSD's?

Q/A session

We will run a Q/A session. Before the session, compile a list of questions you want to ask. Then, teams will take turn to ask Brian follow up questions. Each team gets to ask one question each time. Write down the questions your team wanted to ask and the answers you received. If another team happens to ask the same question, simply write down the answer you heard.

Understand what's going on with the times

(My team's question)

What do the first two time columns measure?

Answer: First attribute is time started. The second is end time

(My team's question)

Why not use technology based on customer usage?

Answer: N/A. Not far along enough in problem to make that decision

(My team's question)

When was base time bug fixed?

Answer: A few months ago. Not sure on when

Distribution of measure times. Serial number vs delta.

Approach

Based on the information you've obtained during the Q/A session, come up with plan how your team will tackle this problem.

How should the dataset be imported into Tableau?

Answer: As a CSV

How should the work be distributed among the team members?

Answer: We will each check different attributes against other attributes

What types of charts or visualizations to use to support the answer?

Answer: Whatever works best with the data.

What questions may be too complex for Tableau and may require custom scripts to be written?

Answer: Checking the validity of the times.