Jenny (Xiao) Zhang

Tech

Performance – Tableau Tips,Tricks,Best Practices

Performance – Tableau Tips,Tricks,Best Practices

https://public.tableau.com/s/gallery/top-movie-directors-film Performance Tableau Blog Posts Series – Tips,Tricks,Best Practices – Blog Eight If you are working with large dataset and the performance is an issue, try stopping Auto Update Worksheet (you can keep the auto update quick filter if it will not affect…

6 Things You Need To Know About Spark

6 Things You Need To Know About Spark

What is Spark? Spark is an open-source cluster computing framework originally developed in the AMPLab at UC Berkeley. It is a fast and general engine for big data processing, with built-in modules for streaming, SQL, machine learning and graph processing. Why…

Visualization – Tableau Tips,Tricks,Best Practices

Visualization – Tableau Tips,Tricks,Best Practices

Visualization Tableau Blog Posts Series – Tips,Tricks,Best Practices – Blog Seven Visualization Importance : Position>Color>Size>Shape What visualization to use Time on an x-axis Location on a map Comparing values – bar chart Exploring relationships – scatter plot Relative proportions – treemap 5-second…

Tableau Tips,Tricks,Best Practices – Data Extract

Tableau Tips,Tricks,Best Practices – Data Extract

Tableau Blog Posts Series – Tips,Tricks,Best Practices Blog two – Data Extract  I used to create extracts in different workbooks and I feel it is very difficult to manage them. Now I use one workbook just to create data extracts (no visualization in…

Videos Must watch for Tech lovers

Videos Must watch for Tech lovers

Are you trying to learn something new but do not know how to get started? Check YouTube videos! I recently started to watch YouTube videos and I really hope I should have started to do it early. There are so…

Shuffle the Ads – the perfect mix makes you enjoy more relevant Ads

Shuffle the Ads – the perfect mix makes you enjoy more relevant Ads

Do you hate Ads? I do not hate Ads. I actually like most of them since they are interesting, funny and innovative. I recently visited the World of Coca-Cola. There is one spot called Perfect Pauses Theater. It shows the best…

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