Tableau data visualization: Create your first Tableau visualization!

Показать описание

In this lesson, we’ll create our first visualization and it is going to be awesome.
As you can see the workspace area is empty right now. We’ve already loaded the GDP data file and we can see that here.
The way data is organized here is rather interesting. Our attention should be focused on the ‘dimensions and measures’ part of the screen.
First off, we should notice that Tableau has been very smart and managed to organize our data – categorical variables are right here under “dimensions”, while numerical data such as the countries’ actual GDP is under “measures”. “Dimensions” have been colored in blue, and “measures” are in green.
Another important remark we have to make is that some of the fields we see here are in italics and others aren’t. The distinction between the two is that Tableau generates certain fields based on the data it finds. When Tableau generates its own fields such as the “Measure names” field we see here, these are fields that are not contained in our original data source, but Tableau deems that these can be useful and creates them for us. The same thing is true for “Latitude”, “Longitude”, “Number of records”, and “Measure values” we see in green under “Measures”. The rest of the fields written without Italics are the ones we saw in the Excel file we loaded – “Country name”, “Indicator name”, and the years from 2002 to 2016, where we have countries’ GDP figures.

365 Data Science is an online educational career website that offers the incredible opportunity to find your way into the data science world no matter your previous knowledge and experience. We have prepared numerous courses that suit the needs of aspiring BI analysts, Data analysts and Data scientists.

We at 365 Data Science are committed educators who believe that curiosity should not be hindered by inability to access good learning resources. This is why we focus all our efforts on creating high-quality educational content which anyone can access online.

#Tableau #Spreadsheets #DataScience