X axis of the CV error plots or tensorboard plots

[manjumoorthy95]

From the readme of SongBird I can find that the X-axis of cv_error graph is the number of iterations. In the command this is defined by "-epochs" argument. Though we had set the epochs to 10000, the X axis of the plots show the limits as 45K. Can you please explain this difference?

[mortonjt]

These are the iterations, there are often multiple iterations per epoch. This can be changed with the summary-interval argument.

On Wed, Mar 9, 2022 at 1:43 AM manjumoorthy95 @.***> wrote:

From the readme of SongBird I can find that the X-axis of cv_error graph is the number of iterations. In the command this is defined by "-epochs" argument. Though we had set the epochs to 10000, the X axis of the plots show the limits as 45K. Can you please explain this difference?

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[manjumoorthy95]

Thanks for the clarification!

I had one more doubt. I wanted to create a model for checking differences between "Cancer and Control" while controlling for different other variables in the metadata. So is there a criterion that "Cancer and control" should be mentioned first in the formula?

Also please note that the "Cancer and Control" column lies the last in my metadata sheet, so will using this term in the first place of the formula cause any issues?

[mortonjt]

Hi @manjumoorthy95 the order of the terms in the formula won't matter.

[athulkrishnacr]

So, how do we control for the effect of certain variables ?

For example, if I want to know the differences between diseased states while controlling for 3 other variables, should the formula be like : " diseased_state+Var1+Var2+Var3" , where I am trying to control the effect of Var1 to Var3?