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Create Pareto Chart and Box Plot Chart in Tableau
This week I took a stab at creating both a Pareto chart and Box Plot chart. A Pareto chart is a dual chart with bars and a line graph; individual values are represented by bars and the building cumulative total is represented by a line graph. Named after Italian engineer Vilfredo Pareto who made the…
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Strengthen Your Dashboards with Parameters
What are parameters? Parameters are a workbook variable that is defined as a number, date or string. It can act as a filter, reference or replace a value in your data source. With parameters you can also create ‘parameter actions’ that let’s the user dynamically change set parameters when interacting with the viz. I like…
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Creating a Waterfall Chart in Tableau
A waterfall chart is a type of bar chart that can explain net change of a measure from across all its contributing cohorts. This is a bar chart that is mostly used in the financial services industry. Analyzing change over time can show attribution of change to specific groups to the overall change of said…
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Resume Writing with Tableau
How many of you have been caught in that never ending cycle of submitting resumes during your job search? You find yourself in stuck in a numbers game; working hard to send so many resumes to only get a fraction of those submissions returned with a call for an interview. However, you don’t stop there…,…
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Resurrecting An Old Visualization
This week I take a look at a prior dashboard I made in the past (in my Tableau Public profile) and using the same data give the dashboard a tableau makeover. Dashboard: I take a look at average Fahrenheit temperatures in my hometown of El Paso, TX. It is located in West Texas and is…
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Breakdown: Level of Detail (LOD) Calculations
Foundation of a LOD calculation Just like a SQL query, there are specific ‘keywords’ to a LOD calculation. In SQL, you have a select statement, from statement and may also have a variation of other keywords to query specific cohorts of data. Let’s look the keywords needed to create a LOD calc: Example of a…
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Using Tableau Story to walk an audience through your data
Using the same MLB run differential data that I have visualized before, I create a story which walks you through the data and insights I uncover. From a business perspective; story templates can be used to create an interactive presentation to walk an audience through some use-case scenarios. I sometimes use story to present data…
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Quick Tip: Add Images to Shapes in Tableau
This is a great way to personalize your dashboards and your development experience. Sometimes the default options are not the way to go. So here’s a use case: I recently vizzed some MLB stats to my Tableau Public profile. I took a look at the MLB run differential statistic for every professional baseball team going…
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Examining the Run Differential in Baseball
Major League Baseball defines run differential as a cumulative team statistic that combines offensive and defensive performance. A team’s run differential is determined by subtracting the total number of runs (both earned and unearned) it has allowed from the number of runs it has scored. Source This performance measure helps to identify teams that are…
Ralph's Data World 