Analytics

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Random Sample data as Transformation option

Don't think this is currently possible. Currently, to do a random sample, I create a calculated column for random value like Rand(1). Then I filter the data to my sample size (e.g. I filter out 0.0 to 0.7 if I want a random sample that's 30% of th...

over 5 years ago in Spotfire / Custom Expressions 5 Future Consideration

5 VOTE

ODBC Netezza - more SQL function please

Hello If we create a direct query with ODBC netezza, we are really poor on function (Calculated colomns or Personnalized expression). Why can't we use SQL ANSI function working on Netezza ? Example : CURRENT_DATE is not working. A user can't creat...

about 4 years ago in Spotfire / Data Functions 1 Future Consideration

6 VOTE

Create and edit data functions in the Spotfire web client

I need to be able to create new data functions and use and edit existing ones in Spotfire Business Author

almost 5 years ago in Spotfire / Analytics / Data Functions 0 Future Consideration

5 VOTE

Using Open source Octave as an alternative to Matlab

I been working with a programing tool called Octave. The language is almost identical to basic Matlab. The discriminating difference is that Octave is open source and free. Octave offers similar performance efficiencies to Matlab.

about 4 years ago in Spotfire / Data Functions 0 Future Consideration

10 VOTE

Data Table Description

I need the ability to add a detailed description of a data table in the Spotfire client. When I have multiple data tables in a complex analysis, it is easy to lose track of what purpose each data table serves. I experimented with adding a new Data...

over 8 years ago in Spotfire / Custom Expressions 1 Future Consideration

9 VOTE

Fix and enhance Data Table relations

request for Fix and Enhancement. As an analysis developer I would like to have more control on Data Table relations and how they react to my filtering and range setting because the current implementation is not working as expected. Unexpected be...

over 7 years ago in Spotfire / Analytics 0 Future Consideration

7 VOTE

Separate the StdDev function/aggregation like Excel function

Hello, This is Nagwon Jeong. I would like to suggest one function/aggregation. In Excel, there are STDEV.P, STDEV.S, STDEVA, and STDEVPA functions to obtain the standard deviation. And the function/aggregation to get the standard deviation in ...

about 6 years ago in Spotfire / Custom Expressions 1 Future Consideration

8 VOTE

Add option to not cache the data from a data function when saving

I frequently use Data Functions to load data from external data sources (e.g. to call RESTful APIs to extract data). The main problem I have with this approach is that the most recent data is saved inside the analysis file. This has 2 knock-on eff...

about 7 years ago in Spotfire / Analytics / Data Functions 0 Future Consideration

10 VOTE

Add preferences/options on how null values should be default handled.

Add an option to Spotfire that allow you to configure how NULLs are handled when used in expressions and calculations. For instance I would like the option to specify that when using an expression or calculation, that NULLs are treated as empty st...

almost 9 years ago in Spotfire / Custom Expressions 0 Future Consideration

10 VOTE

Capability to build a regression tree for regression tree model.

Build a regression tree based on results generated from regression model run. In user’s scenario , there should be capability to relate that which completion interval comes under which spacing average.

almost 9 years ago in Spotfire / Analytics 2 Future Consideration

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