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Custom Expressions

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Allow transformations for external (in-db) data tables

One should have the possibility to define transformations on data canvas for external (in-db) tables. Also a possibility to review the data should be possible.
over 2 years ago in Spotfire / Custom Expressions / Data Streams 0 Future Consideration

Do not automatically generate cluster columns after dendrogram clustering in heat map

I find it a bit annoying that cluster membership columns are automatically generated if I calculate dendrograms in a heatmap. I do this in order to group the rows/columns, not to calculate clusters. There should be an option to inactivate the colu...
over 2 years ago in Spotfire / Custom Expressions 0 Future Consideration

Community Expression in Product

Let's allow expression functions to be contributed by the community. Allow pluggable expression code; Python or IronPython or Spotfire expression syntax; Needs new API
over 2 years ago in Spotfire / Custom Expressions 0 Future Consideration

Net Present Value (NPV) Function

No description provided
over 2 years ago in Spotfire / Custom Expressions 0 Future Consideration

Improve Lag/Lead Functions

Now implemented but documentation doesn't specify how the ordering of rows is important; in addition, the ordering of rows is not guaranteed, so the functions are not trustworthy at present
over 2 years ago in Spotfire / Custom Expressions 0 Future Consideration

Add an apply changes button to Custom Expression dialogue box

I do a lot of cross tables and other visualizations with lots of 'Columns' that are custom expressions, and often I have to go through them and make changes to one or more than one of the expressions. It would be really helpful to have a button in...
over 2 years ago in Spotfire / Custom Expressions / User Experience 1 Future Consideration

Concatenate for external data Oracle

I have connected to Oracla table using custom query and keeping data external. I would like to create a calculated column using Concatenate, but both concat([column1],[column2) and Concatenate([column1],[column2) are not accepted by the expression...
over 2 years ago in Spotfire / Custom Expressions 0 Future Consideration

Remove comments from resulting expression

The resulting expression rendering box is very useful to me when debugging or creating custom expressions. It would be nice not to render the comments on my custom expression on the resulting expression box as shown here
over 2 years ago in Spotfire / Custom Expressions 0 Future Consideration

Add a way to update manually the calculated columns formula in case of embedded data table

Whenever I update the formula for a calculated columns in an embedded table, all formulas are refreshed until I can update other columns and it can take a long time with large data table (10 mio rows) and when you have multiple columns to update e...
almost 3 years ago in Spotfire / Custom Expressions 0 Future Consideration

Principle Component Analysis - bring it back to Spotfire

For big data exploration in healthcare, I am using spotfire now since 2001. One of my favorite pieces of software. After uprgrading from 7.11 to Spotfire Desktop 11, Principle Component Analysis (PCA) went missing. Its a key feature in summarizing...
almost 3 years ago in Spotfire / Custom Expressions 2 Already exists