Question: How to join to data-sets correctly?
gravatar for nirjharaloy
2.8 years ago by
nirjharaloy0 wrote:

Hi, I'm having difficulty in joining to data-sets to find the number of repeats in coding exons in chromosome 22. Every time I try to join data-sets using column 6 and column 1, the result is empty.

join • 742 views
ADD COMMENTlink modified 2.8 years ago by Martin Čech ♦♦ 4.9k • written 2.8 years ago by nirjharaloy0
gravatar for Jennifer Hillman Jackson
2.8 years ago by
United States
Jennifer Hillman Jackson25k wrote:


Are you using the updated tutorial? This is the one to use:

When joining by columns, the content must be an exact match for a successful join. My guess is that there was a mixup during the execution of one of the prior steps in the tutorial you are following or incorrect columns were selected (this is easy to do when learning). As you go through the lesson, examine the dataset contents versus the tutorial graphics.

Once working on your own and using the Column Join function, verifying that the selected content is of the same type will ensure that if common keys are present in the selected fields, the data will be joined correctly.

Thanks, Jen, Galaxy team

ADD COMMENTlink written 2.8 years ago by Jennifer Hillman Jackson25k

Thank you.

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ADD REPLYlink written 2.8 years ago by nirjharaloy0
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