Learn how to simplify testing of your charting function by building a simple test harness to visualize randomly generated stock price data.
- [Instructor] So how are we going to try…our lovely graphics visualize route?…Well I suppose we could use FSX scripts for this…but I'm going to show you an alternative way,…which is simply to add a new command line project.…Console Application.…I'm going to call this VisualisationHarness.…I'm going to add a reference to Data…and Common and Visualisation.…
And I'm also going to make sure that in Build…we've turned off Prefer 32-bit.…And the reason I'm doing that is…because I know that we're going to finally deploy…this onto an Azure VM.…And that Azure VM will only have the 64-bit version…of R installed.…So I'm going to full stall on the issues caused by that…by making sure that all our command line projects…have Prefer 32-bit turned off.…So that's the Harness one.…Let's do the main one as well, while we're about it.…
Not that one, this one.…There we go.…And we're going to paste some code into the Program.fs…of our VisualisationHarness.…So we're just opening some name spaces there.…And we have a function here,…which generates some random prices.…
Author
Kit Eason
Released
12/20/2016- Defining values and calling functions in F#
- Defining and identifying discriminated unions
- Working with if-else expressions
- Writing unit test
- Using type providers to access data
- Analyzing data with collection functions
- Plotting data using the R type provider
- Using railway-oriented programming to handle errors
- Integrating with Twitter
- Deploying an F# application to Azure
Skill Level Intermediate
Duration
Views
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Introduction
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Welcome59s
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Exercise files41s
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1. Get Started with F#
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Record type and arrays2m 35s
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Forward piping3m 39s
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Array mapping and iteration6m 22s
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If-else expressions2m 9s
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Exception handling2m 40s
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Option types5m 9s
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The bot and type signatures4m 19s
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2. Build a Simple Parser with Unit Testing
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Install NUnit4m 23s
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Write a real test4m 31s
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Write a parser5m 8s
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Refactor tests5m 18s
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Test unhappy paths4m 1s
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Challenge35s
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Solution3m 38s
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3. Use F# CSV Type Provider to Get Data
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Recap and code tidy-up1m 51s
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Introducing Quandl1m 52s
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Challenge1m 14s
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Solution9m 34s
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4. Analyze Data with F# Collection Functions
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5. Use RStats Provider and ggplot2 to Plot Data
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RStats and ggplot21m 38s
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Develop the chart generator5m 45s
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Challenge38s
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Solution2m 21s
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6. Use BoxKite with Twitter
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Create a Twitter application5m 24s
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React to directed tweets4m 47s
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7. Deploy a Working Bot
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Call the reply function1m 17s
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Try the bot running locally1m 53s
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Understanding ROP2m 37s
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Conclusion
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Next steps1m 46s
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Video: Make a run harness for the chart generator