Borja Leiva

I first heard about Tableau during my MSc in Sports Performance Analysis at Middlesex University. Tableau kept coming up in conversations during my different work placements but I never had a chance to actually use it.

After a period of time when I focused a bit more on developing my video editing and presentation skills I came across The Information Lab and The Data School. The first time I actually used Tableau was for my application to DS2. I made it to the last stage of the recruitment process but I didn’t make it that time.

Far from discouraging me we could say I got the bug for data visualization and for Tableau. I didn’t give up as I knew Tableau was an amazing tool and I already felt the great atmosphere at The Data School. I kept practicing as much as I could and I applied again to DS3. Fortunately, this time I got a place.

Now I am really looking forward to learning as much as I can and apply this knowledge to as many aspects of my life as I can.

Quick Table Calculations – Moving Average

Moving Average is a widely used indicator in analysis that helps to smooth out the values by filtering out  fluctuations. A Simple Moving Average is just the average of a measure over a period of time. MA is considered a trend-following indicator as it is based on...

Bringing Multiple Inputs at Once with a Wildcard in Alteryx

Bringing a different number of inputs to the Alteryx canvas is a very straight forward process when we are dealing with a small number of files, but what happens when we have hundreds of different files we need to look at? One option would be to bring hundreds of...

Alteryx Week at DS3 – Resources to Understand Regex Tool

So this week is Alteryx week again here at DS3, that means we are going to work through lots of the weekly exercises posted on the Alteryx Community. Actually, today we have already started working through some of them! One the most daunting tools I have come across...

The Brexit Challenge at DS3

So last Friday we woke up to the results of the Brexit Referendum and here at DS3 we were very interested in learning and analysing the results for several reasons, the main one being that 4 out of 8 DS3 members are Non - British EU citizens, me included. So what was...

Tableau Tuesday Tip: Paste Data from the Clipboard

This week’s Tuesday Tip is a quick shortcut for connecting to data.  In Tableau you can copy a spreadsheet, a table form a web, or a text file and paste it directly into your canvas in Tableau. This option will allow you to start doing analysis more quickly. Select...

MakeoverMonday Challenge: Women in the Corporate Workforce

So this week's MakeoverMonday challenge was Live from the 2016 London Tableau Conference. Unfortunately DS3 could not attend the conference but we all got to take part in the challenge simultaneously which was very exciting. The topic for this week's challenge was...

Book Review: The Visual Display of Quantitative Information.

For this week's Book Review I decided to read Edward R. Tufte's " The Visual Display of Quantitative Information". The main reason why I decided to go for this book is because I thought I would help me make my visualizations about the actual data and not about the...

Comparing Measures in Dual Axis

As we saw in my previous post, scatter plots use two axes, axis x and axis y, to show the  relationship (if any) between two measures. However, Tableau offers s different option to use two axes in a visualization, Dual Axis. Dual Axis means that a view is using two...

Creating Scatter Plots in Tableau

The scatter plot is a visualization used to compare two measures. More aspects of the data set can be expressed through the use of shape, color, and size within the scatter plot. Also reference lines can be added to express correlation. Scatter plots offer a good way...

GROUPING DIMENSIONS PART 3: Combined Sets

Sometimes our questions can’t be answered easily with a single set, combining sets brings additional power and value to the analysis. To combine sets, they must be based on the same dimensions. Sets based on the same dimension can easily be combined. In order for you...

Grouping Dimensions Part 2: Sets

Sets are special fields in Tableau that define a grouping of data by effectively identifying each underlying record of data as in or out of the set based on certain conditions you define. However, I like to think of sets as special kinds of filters that enable you to...

Grouping Dimensions (Part 1)

Welcome to the first blog post of this week’s series on Grouping Dimensions! This week I’ll be posting about how to create Groups and Sets in Tableau and the different types and alternatives that Tableau offers when using these tools. I will also post about how can...

OUR FIRST LITTLE VICTORY AT THE DS3

Wednesday 11/05/2016, around 5:30pm, all the components of the DS3 finally made public our first Makeover Monday Project! The first days at DS3 can feel a bit overwhelming, mainly due to the pressure we put on ourselves, but with the support of all The Information Lab...