From the course: From Data to Decision
Unlock this course with a free trial
Join today to access over 25,300 courses taught by industry experts.
From messy to meaningful: Wrangling your data for success
From the course: From Data to Decision
From messy to meaningful: Wrangling your data for success
- Now that we've covered cleaning and transforming data, let's tackle the next step. Wrangling it. Think of data wrangling, like organizing a cluttered room. You're taking everything no matter how messy, and turning it into something that's easy to use and understand. Wrangling makes sure your data is primed and ready for analysis, which is key to making accurate business decisions. The first thing you need to do is check the data structure. Data often comes in inconsistent or incomplete formats. For example, a data set may have dates in different formats or customer information spread across multiple columns. The goal here is to standardize the data so everything fits neatly into place. This might mean combining columns, splitting them, or reformatting data to make it more useful. Another common issue is duplicates. Imagine you have sales data for the same product, but it's listed twice in the dataset. If you don't remove the duplicates, your analysis could be skewed, making you…
Contents
-
-
-
Data in the wild: Types of data you’ll encounter3m 46s
-
(Locked)
Data detective: Unmasking insights from your numbers4m 22s
-
(Locked)
Beyond spreadsheets: Taming your data for better decisions4m 12s
-
(Locked)
From messy to meaningful: Wrangling your data for success3m 44s
-
(Locked)
The power of "why?": Asking the right questions of your data3m 59s
-
(Locked)
Data doesn't lie, but it can mislead: Avoiding data traps5m 45s
-
-
-
-
-