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Analysis with the Discovery Environment

Learning Objectives

  • Understand basic analysis capabilities of the Discovery Environment

  • Find an app and launch an analysis

  • Monitor analysis results

  • Access analysis results

Description:

In this module, we introduce executable analyses in the CyVerse Discovery Environment and demonstrate how to launch and view their output.


Input Data:

Location File Example
On CyVerse DE_sample_plants.fas View the example folder

Find a Tool and Launch an Analysis

  1. If necessary, log into the Discovery Environment.

  2. Click the Data Icon and navigate to your results/ folder in thetutorial_folder/; click the (Add Folder button) and create a new folder called muscle_output/ inside your tutorial folder.

  3. Click Apps - Applications (including VICE interactive applications); search for "Muscle-3.8.31" with the search bar at top; Click on the application name to open the application.

  4. Under "Analysis Info", for Output Folder click Browse and navigate to and select the muscle_output created above. No other changes are needed at this step, but you may edit the analysis name or comments (optional).

  5. Under "Select input data" click Browse, then navigate to the raw_data/ folder in the tutorial_folder and select (checkbox) the DE_sample_plants.fas previously uploaded.

  6. Under "Sequence Type", select DNA.

  7. Under the optional "Advanced Settings", make no changes. If required, some analyses may be launched with requests for more minimum Resource Requirements, but this may cause those analyses to sit longer in the submission queue until a node matching those minimum requirements becomes available; click Next.

  8. Click Launch Analysis.

  9. You will receive a notification and be redirected to the Analyses page.

  10. When Muscle analysis has the status Completed, you may click the folder icon next to the analysis name, to navigate to and browse the outputs for this analysis. You may need to refresh your web browser to see the updated status.


Output/Results

Location File Example
muscle_output/ logs folder View the example muscle_output/
clstalw.aln .aln are multi-alignment files
fasta.aln
phylip_interleaved.aln
phylip_sequential.aln

Self Assessment Questions

Which of the following are true about Docker containers?

A They share the host OS

B They have process-level isolation.

C They are are heavyweight.

D They have a startup time in the minutes range.

Answer

Correct answer are A & B.

Which of the following are incorrect about Docker containers?

A Dockerfiles are a recipe for creating Docker images.

B Docker containers are a collection of Dockerfiles.

C Docker images get built by running a Docker command which uses the Dockerfile.

D Docker containers are running instances of a Docker image.

Answer

The incorrect statement is B.


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