From the course: Cleaning, Transforming and Prepping Your Data With Tableau Prep

Unlock the full course today

Join today to access over 22,500 courses taught by industry experts or purchase this course individually.

Solution 6: Data sampling

Solution 6: Data sampling - Tableau Tutorial

From the course: Cleaning, Transforming and Prepping Your Data With Tableau Prep

Start my 1-month free trial

Solution 6: Data sampling

“

- Here's the solution for the sampling challenge. So I got a connection to my full flight delay data set. So let's have a look and see what we've got to play with. Going to add a step. So in total, we have 502,000 rows in this data set. We have 12 unique carriers, we have all of our tail numbers, our flight numbers, et cetera. We look at that data grid, I can see all of the individual records. There's about half a million rows in here. Now, I then need to start sampling this data. So first I'm going to do is look at a quick sample. To do that we have to go back to the input step, and over here under that data sample tab is where we have the data sample options. Now the default sample amount is tagged, but because it's only 500,000 records, that's a large enough size that tablo can handle every single one. So I am going to tell it to use a fixed number because I only want to sample 100,000 of those records. So we click on fixed number of rows and set that to be 100,000. Sampling method…

Contents