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Submission GuidelinesHello,
After used the new "Image Recognition Tool" a few days, I think you could improve it :
> by adding the dimensional constraints in front of each of the pre-trained models,
> by adding a true tool to divide the training data correctly (in order to have an equivalent number of images for each of the labels)
> at least, allow the tool to use black & white images (I wanted to test it on the MNIST, but the tool tells me that it necessarily needs RGB images) ?
Question : do you in the future allow the user to choose between CPU or GPU usage ?
In any case, thank you again for this new tool, it is certainly perfectible, but very simple to use, and I sincerely think that it will allow a greater number of people to understand the many use cases made possible thanks to image recognition.
Thank you again
Kévin VANCAPPEL (France ;-))
Thank you again.
Kévin VANCAPPEL
When we copy and paste a tool into a workflow, we then have to drag the pasted tool into the workfow where we want it. It would be better if we could right click on a connector, select "paste", and have the tool paste into the flow where we put the cursor. Or to be able to right-click on a tool and select "paste after" similar to how we can "insert after".
This idea has been superceded by "Paste Before / After"
Hello,
Many mouses (mice?) allow you to tilt the mouse wheel either left or right. It would be great if this would scroll the canvas left or right, similar to rolling the wheel to scroll the canvas up or down. This would be especially useful considering that users have been nudged to create their workflows horizontally.
Thanks!
Hi all,
Just to give you some context, we have a customer that requires that for every Tableau workbook we deliver, we must add extra documentation, as for instance, for every calculated field, in which views it's used, and the formula of that field (yes, I know exactly what you're thinking right now :P)
So I decided to take a shortcut and do a workflow that extracts the basic (I mean VERY basic) data from the .twb file, so I can save a lot of time.
Then I came with this idea...
Having a lot of Tableau's under the hood experts in this Community, It would be great to gather some of them and create a Tableau Documenter Macro.
I'd love tho hear what you think, and who's being able to help.
Idea:
Some well known scoring methods use optimal binned variables for added robustness. Let's add this capability to Alteryx.
Retionale:
Here's a basic link on why to do that; http://documents.software.dell.com/statistics/textbook/optimal-binning
Current status in Alterys as I'm aware of:
Tile tool or Multi-field Binning tool for completing same task as Tile tool on multiple fields, splits the variables by 5 methods;
Equal Records or Intervals or Sums
Smart Tile
Unique Value
Manual
Unfortunately "equal something" binnings are bad idea, as the values are categorized "blindly" irrespective of the effects on the predictive power of the models.
What to do:
What's needed is to bin both numerical and categorical variables optimally such that the Weights of Evidences (WoE) should present a monotone increasing or decreasing pattern. Maybe at most a V or U shaped "convex" structure.
Quick win:
Without constraining ourselves with monotonicity or convex cases, the easiest practice would be running a C4.5 or CHAID tree algorithm (produces multiple splits rather than binary splits in CART) for a single variable and select the target as the dependent variable and all the resulting nodes will be the bins we are looking for. Doing this for multiple variables at once is the key to the tool to be generated.
Clients:
This capability is sought by risk management departments building robust, stable Basel compliant models in financial industry, especially by banks.
When working with complex modules, it would be great to allow an option to add a tool upstream and automatically rewire to downstreams tools.
Simplified example:
Text Input flows to (1) Filter and (2) Formulae Tool. If I want to drag and drop a Formulae Icon after the text input to be applied to both paths, I can't. I have to either choose To apply to Path (1) or to Path (2).
I know that you can right click, press insert after, and search for the tool, but this is not a time efficient manner. You can also delete the wiring and rewire yourself, but if you have mutliple downstream tools, this is a pain.
We are starting to use Alteryx as a full ETL DW build tool (and blogging about it too..)
Compared to other tools in the market there do not seem to be the usual SCD(slowly changing dimension) and other "standard" tools or templates to start building.
It would be great to have a template/Macros/guide to starting to build a DW solution. It is rather daunting starting with a blank page!
When bringing data together it is often needed to assign a source to the data. Generally this happens when you union data and need to know things later about the data for context. It would save time to generate a source field that is assigned based upon the input connections of the union tool. Perhaps when unioning data you can assign a name to each input stream?
When a tool's input connector is already attached to a data stream that only accepts a single connection, attempting to attach a 2nd data stream with the same fields should automatically insert a Union tool. This would be similar to the way an Action tool is automatically added when you connect an Interface tool to another tool.
The capability to input/output R Datasets via the input/output tools, together with all the other data formats as well (like csv, Excel, SAS, SPSS, etc).
I would like to see the same functionalitly that the Output Tool has in the Render tool. In the Output Tool, you can specify the Excel Worksheet along with the Sheet Name that you want to output too. Meaning Same Worksheet, different tab:
C:Output FilesExample_Worksheet.xlsx|Report_1 C:Output FilesExample_Worksheet.xlsx|Report_2
This functionality is not currently available in the Render Tool and would be very useful and cut out some manual operations on the back end that requires us to copy/paste from one file to another.
I tried using the Section Break technique that was offered as a suggestion, but it did not perform what I needed.
Within the mapping tool, please add an alignment option (left/center/right) within the label options (when wrapping).
When using ./*.csv for an input (relative path and wildcard), a preview does not show in the Properties area of the input tool. Can this be added?
It would be great if Alteryx developed an option to keep data transformations and additions already ran through the module. After adding new tools to the module, then the module would keep all of the data already transformed or added up to that point and would only spend time running the data through any new tools added after that point.
It would save the analyst a lot of time when developing big and complex modules.
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