Use Tableau Table Calculations to Draw Lines
As with all things Tableau, some of the more surprising tricks happen when you’re asked a seemingly simple, yet surprising, question. In this case, it went something like this: ‘Yes, the line chart is good but can we get a ‘fake’ line in there that is always at a 45 degree angle no matter what […]
Vertica Tips: How to Reset a Lost Password in Vertica
Have you locked yourself out of your Vertica cluster, but still have SSH or console access to the servers themselves? If you’re using the default authentication method (not LDAP/Kerberos/GSS), you can temporarily use the “trust” Vertica client authentication method and reset the password. The steps to do so are detailed below. We’ll assume that you’re […]
Using Tableau URL actions to send an email
If you’ve ever wanted to be able to send an email to a colleague because the dashboard you’re viewing in Tableau is just too good to pass up, this might help you out. In the following dashboard, we’ll accomplish a few things: 1.) Use URL actions to send an email with a ‘To’ and a […]
Parameters as Labels
Heading to my house in Durham, North Carolina and looking forward to a long bike ride and fresh peaches at the market. Spent this last week in New York City working with a great client with some true Big Data; as part of a follow-up with them I went looking for some documentation on the […]
How to remove Win32/Sirefef.EZ Trojan – ESET won’t delete Win32/Sirefef.EZ
We have come to find that ESET is a very reliable and powerful antivirus tool, but like many other anti-viruses sometimes Malware and Trojans can sneak through. I recently ran into this Win32/Sirefef.EZ Trojan virus and it completely stumped me. I ran multiple scanners and not one of them found anything wrong with the machine. […]
Tableau Dataviz: Kickstarter
Kickstarter has been making waves in recent months as the premier place for crowd funding. Projects range from big to small, from purely entertainment to potentially life changing. There’s a lot to love about this dream factory. However, there’s been controversy as well. All projects are not always what they appear and some remain skeptical that lofty claims will not match […]
Using Tableau to wrangle data and other mysteries…
It should come as no surprise that data is not always as it seems. Well, maybe not that big of a surprise to the data analysts out there. After all, most of us are swimming in data. And it might not have had time to be ‘treated’ before it’s consumed. In our ‘always on’ world, […]
Proxying Tableau Server Content Using PHP and Trusted Tickets
It’s common for Tableau Server users to want to embed content into a separate web application while maintaining tight security restrictions. If you want your web application to handle all of the authentication, it’s possible to use the trusted ticket authentication system offered by Tableau Server. It’s important, however, to understand the request workflow that […]
Tableau Tip: How to Build a Combination Area Fill & Symbol Map Part 2 – Region Specific Displays
In my last post (Part 1) I showed you how to create a combination area fill & symbol map. Last week a client in Washington, DC asked me if it was possible to create these types of maps and display specific regional groupings of states. The answer is – yes. Your data must support that […]
Veeam 6.1 Upgrade and Results
Purpose of Article This article was created to show some of my initial impressions of Veeam 6.1, to show some screenshots of the interface changes between Veeam 6.0 and Veeam 6.1, and to show some of the results of some backups and replications. New Features Several new features were added into Veeam 6.1 such as […]