Exam (elaborations)
ALTERYX EXAM Q&A
- Course
- Institution
Exam of 5 pages for the course Alteryx at Alteryx (ALTERYX EXAM Q&A)
[Show more]
Content preview
ALTERYX EXAM Q&ADirectory Tool - Answer-- Used to obtain Meta data
- Basic meta data about these files
- transactions*.xlsx
- Only excel files with transactions and excel
- Locating the most recent file
Date Time Now Tool - Answer-- Matches your local machines date and time
Browse Tool - Answer-- View data, maps and reports
- Use the tool for data profiling
- Previews the data
- Previews different data groups with large sums of data
- Use brows for figuring out what to look into
Select Tool - Answer-- Usually what you use first
- Configuration pane will be able to uncheck data and fields
- Selects only specific data baed on groups within the data
- Unknown check box accepts any data that is added later to the data file
- You can also change data types
- You can also rename fields with the select tool
- You can move rows around in the data field as well
Data Cleansing Tool - Answer-- Cleanup data quality issues
- Replacement with N/a and 0
- Remove unwanted characters
Date Filter Tool - Answer-- Date range
- All data before x
- All data after y
- Need to use select tool sometime to change the data type from a string to a date
Filter Tool - Answer-- Basic filter
- City = Chicago
- You can build off of true or false branches
- T or F
- Custom filter
- Use functions tab
- Many tabs
Formula Tool - Answer-- Custom expressions
- Can either override or create new column
- Select data type
- Lists contain variables and functions
, - Evaluates the data on a row by row basis
Multi Field Formula Tool - Answer-- apply same formula
- 12 new columns with the same formula
Multi Row Formula Tool - Answer-- Running sum across all rows
Sort Tool - Answer-- Name
- What you are sorting by
- Order
- Ascending, descending
Record ID tool - Answer-- Records the ID of the original data
- Starts at 1 and everything
- Sort by record iD to get original sequence of data
Unique Tool - Answer-- Define unique rows
- Based on one or more dimensions
- Gets rid of repeats
Sampling - Answer-- First N records
- Last N records
- Skip 1st N records
- 1 of every N records
- Random 1 in N chance for each record
- First N% of records
- Grouping
- First samples of every specific group
Random % Sample - Answer-- Random N Records
- Randon N% records
- Choose a random sample of your records
Auto Field Tool - Answer-- Automatically detect the optimal data type and size
- Changes metadata to what they should be numbers, string, dates as well as sizes
Imputation Tool - Answer-- Replace Null or specific numeric values with
- Average of the data set
- Median of the data set
- Specific value
- Mode of the data set
Tile Tool - Answer-- Group data into sets based on a numeric field in your data
- Clustering analysis
- Equal sum
- Randomly forms tiles and the total is the same
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67866 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now