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Alteryx Knowledge Base

Definitive answers from Designer experts.
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Clustering analysis has a wide variety of use cases, including harnessing spatial data for grouping stores by location, performing customer segmentation or even insurance fraud detection. Clustering analysis groups individual observations in a way that each group (cluster) contains data that are more similar to one another than the data in other groups. Included with the Predictive Tools installation, the  K-Centroids Cluster Analysis Tool  allows you to perform cluster analysis on a data set with the option of using three different algorithms;  K-Means ,  K-Medians , and   Neural Gas . In this Tool Mastery, we will go through the configuration and outputs of the tool.
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Typically the first step of Cluster Analysis in Alteryx Designer, the K-Centroids Diagnostics Tool assists you to in determining an appropriate number of clusters to specify for a clustering solution in the K-Centroids Cluster Analysis Tool, given your data and specified clustering algorithm. Cluster analysis is an unsupervised learning algorithm, which means that there are no provided labels or targets for the algorithm to base its solution on. In some cases, you may know how many groups your data ought to be split into, but when this is not the case, you can use this tool to guide the number of target clusters your data most naturally divides into.
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Quick navigation for the Tool Mastery Series!
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The Neural Network Tool in Alteryx implements functions from the nnet package in R to generate a type of neural networks called multilayer perceptrons. By definition, neural network models generated by this tool are feed-forward (meaning data only flows in one direction through the network) and include a single Hidden Layer. In this Tool Mastery, we will review the configuration of the tool, as well as what is included in the Object and Report outputs.
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With the release of 2018.3 comes the long-awaited and highly anticipated Python Tool! This article is a general introduction to using the tool.
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The  Field Summary Tool  analyzes data and creates a summary report containing descriptive statistics of data in selected columns. It’s a great tool to use when you want to make sure your data is structured correctly before using any further analysis, most notably with the suite of models that can be generated with the Predictive Tools.
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Sometimes you look at the steaming pile of data before you and wonder how you’ll ever get it in the form you need. Every option seems to require a great deal of manual labor, and as a lazy– er that is , as a data blending professional , that is simply something you will not abide.
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The Append Cluster Tool is effectively a Score Tool for the K-Centroids Cluster Analysis Tool. It takes the O anchor output (the model object) of the K-Centroids Cluster Analysis Tool, and a data stream (either the same data used to create the clusters, or a different data set with the same fields), and appends a cluster label to each incoming record. This Tool Mastery reviews its use. 
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Imagine this – you’re on vacation. You’re on a sandy beach where the sun has been relentless all day. It’s hot and you need something to cool you off. Ice cream would be perfect!  The  Find Nearest  tool can help!
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The Sample Tool allows you selectively pass patterns, block excerpts, or samples of your records (or groups of records) in your dataset: the first N, last N, skipping the first N, 1 of every N, random 1 in N chance for each record to pass, and first N%. Using these options can come in the clutch pretty often in data preparation – that’s why you’ll find it in our Favorites Category, and for good reason. While a great tool to sample your data sets, you can also use it for:
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As most of us can agree, predictive models can be extremely useful. Predictive models can help companies allocate their limited marketing budget on the most profitable group of   customers,  help non-profit organizations to find the most willing donors to donate to their cause, or even determine the probability a student will be admitted into a given school. A well-designed predictive model can help us make smart and cost-effective business decisions.
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You’re creating an app that involves dates. You want the user to be able to dynamically select the dates being used in the app, though. The tools you already know may not work. A  Text Box  would be too messy and allow lots of room for error. Pre-defined  Drop Downs  and  List Boxes  aren’t dynamic enough. Ah ha! What about that tool that looks like a calendar? The  Date  tool in the  Interface  category provides the perfect solution!
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Trying to convert all of your old, mundane Excel workbooks into Alteryx workflows? The  Running Total Tool  could be the key to your success! You know, it’s that tool in the  Transform  category with the little running man picture on it.
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A part of the Spatial Tools Category, the Distance Tool calculates how far apart spatial objects are.
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The  Date Filter  tool is a very tailored version of the  Filter  tool with an enhanced  GUI  for date picking.
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You know what really stinks? Working with addresses that aren’t standardized or verified. Whether human-input, or one of the many address formatting standards in the U.S., being stuck with an address you can’t either (1) identify or (2) ensure it exists can be a real pain in the… well…   CASS is here to help!
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A close relative of the  Layout Tool , the  Visual Layout Tool  is the newest, and coolest,  Reporting Tool  on the block. Sporting all the badassery of the original Layout Tool in its ability to format and arrange reporting objects, the Visual Layout Tool differentiates in that it provides an intuitive, visual, interface that allows for easy drag-and-drop organization of multiple reporting object inputs. Basically, it’s the reporting tool category equivalent of upgrading from Paint to Photoshop.
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Don’t know the area of your polygon? Need the length of your line? Do you want your spatial object’s X and Y coordinates? Don’t Panic! The Spatial Info tool can translate all that information and more!
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The  Radio Button Tool  can be used in a number of ways. This is a simple tool to configure but can be very powerful!
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The  Join Multiple  tool is a combination of the  Join  and  Union  tool. It is best used to consolidate a workflow into one tool when you would instead use Multiple Join then Union tools.
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