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Questions tagged [fslab]

FsLab is a collection of libraries for data-science. It provides a rapid development envi­ronment that lets you write advanced analysis with a few lines of production-quality code.

34 questions
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How to make FsLab tables render nicely?

Is there some template or trick to help data tables render nicely in FsLab? The tables I produce are not as pretty as the tables I see in samples/tutorials. As an example, when I do this example I end up with a table that looks like this: whereas…
Stewart_R
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Meaning of CsvProvider error "The given key was not present in the dictionary" when trying to load sample file?

I am having trouble loading the csv files with FSharp.Data csv provider provided by fslab, including the sample adwords.csv file. What does this error below mean? Also, when I hover over the code in the Visual studio editor it mentions that "The…
nh2
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Prefer XPlot or F# Charting?

I am struggling to understand the difference between XPlot and F# Charting. Each is developed in the context of FsLab, each provides an easy way to display various sorts of charts. Even the syntax seems to be nearly the same. Maybe it depends on…
Friedrich Gretz
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Deedle Equivalent to pandas.merge

I am looking to merge two Deedle (F#) frames based on a specific column in each frame in a similar manner as pandas.DataFrame.Merge.The perfect example of this would be a primary frame that contains columns of data and a (city, state) column along…
Darien Shannon
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Deploy FSLab XPlot Graphics to Web

I'm interested in deploying interactive graphics built with FSLabs XPlot wrappers around plot.ly and google charts to wordpress, xamarin and good old web platforms. I have scoured the documentation, which does a fantastic job of demoing the…
David Crook
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XPlot: How to display and export charts?

I have a simple .NET Core console project on macOS with paket.dependencies storage: symlink source https://www.nuget.org/api/v2 nuget FsLab and paket.references FsLab and program open XPlot.Plotly [] let main argv = [1 .. 10] |>…
CarbonFlambe
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why no intellisense csvprovider in msfs?

I'm experimenting with FsLab and CvsProvider. The script below works in the f# REPL, however, I do not get any intellisense of the column names of the ckv file e.g. "Date" and "Open" in example below. Therefore, the MSVS also marks those as…
wpl
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How do I make XPlot work on Linux / Mono?

I have problems using the charting library XPlot for F# on Linux. When I use the "fsharpi"-command to run a standard example script for the candlestick chart, for instance, the script itself runs without any complains but no browser is opened and…
Florian Brinkmeyer
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What do I do with downloaded FsLab template?

Sorry for the question, but I am definitely not an "advanced" user. I installed the FsLab and FsLab Journal using NuGet. The instructions in https://fslab.org/download/ tell one to Download FsLab Journal template (which I did, and got a folder…
Soldalma
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Creating similar HTML reports for several data files

I need to analyze a dozen similarly formatted data files. I wish to generate a similar html report, containing some statistics and graphs which describe the data, for each file. One html report per one file, same graphs in each, just different…
Steve
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Cannot install FsLab with NuGet

Complete VS noob. Fresh install of Visual Studio Community 2015. New project. Trying to install FsLab with NuGet ends with this error: Unable to find a version of 'Deedle' that is compatible with 'FsLab 1.0.2 constraint: Deedle (= 1.2.5)' When I…
kliron
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Are options and WithSize etc in XPlot specific to only certain charts?

I've tried Chart.WithSize and displayZoomButtons = true in the FSLab tutorial, but nothing seems to change the output. Same thing in other projects using XPlot.GoogleCharts directly. Am I missing something?
Rei Miyasaka
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F# error FS0039: The type 'XmlProvider' is not defined

Looked at these for a couple solutions--but nothing works The type 'XmlProvider' is not defined F# Data New type provider library F# Data: XML Type Provider open FSharp.Data type XMLcountries = XmlProvider<"http://api.worldbank.org/country"> let…
Aaron M
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FSLab template project gives an error when running

FSLab template gives an error "The type provider 'RProvider.RProvider' reported an error: The type provider constructor has thrown an exception: Failed to start the R.NET server within 20 seconds" I am using VS2015 and latest template from…
eknutsen
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F# Deedle returns strange output of

I am getting a strange output from Deedle when I use FirstKey and LastKey on a Frame of Rows. cl is a DataFrame in the below examples. cl.Rows.FirstKey returns: val it : (unit -> DateTime) = in the FSI…
rhscJohn
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