User: vinayjrao
vinayjrao • 140
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Posts by vinayjrao
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3
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136
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... Hi,
I am working with a microarray dataset, which is in the format -
> Control Control2 Treatment Treatment2
The dataset has been log transformed. I want to know if there a way to filter the data such that I get genes whose fold difference is greater than 2 fold in Treatment as ...
written 11 weeks ago by
vinayjrao • 140
• updated
11 weeks ago by
Nicolas Rosewick ♦ 8.1k
0
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2
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161
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2
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Comment:
C: Averaging multiple columns
... Thank you for your help. It works perfectly. ...
written 12 weeks ago by
vinayjrao • 140
0
votes
2
answers
161
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2
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Comment:
C: Averaging multiple columns
... Thank you for your reply. I am still working on it.
Will update once done. ...
written 12 weeks ago by
vinayjrao • 140
4
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2
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161
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... Hi,
I have a file with five columns, from which I want the mean of the last four columns where the first rows of the first column are the same. For example, my file looks like this -
A 1 1 1 1
A 1 3 1 1
A 1 1 2 3
B 5 7 2 4
C 2 1 5 1
C 2 2 3 6
The desired output is -
A ...
1
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1
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176
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1
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... Hi,
I have two data frames, both containing the columns `GeneName` and `logFC`.
Using `intersect()`, I have obtained the common genes between the two. I want to know how to merge my two dataframes based on the common dataframe.
Thank you. ...
written 3 months ago by
vinayjrao • 140
• updated
3 months ago by
lakhujanivijay ♦ 4.4k
0
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164
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... Thanks Kevin, for the clarification. Although, I would like to know why I should remove these after normalization, and what is the significance of these positive control probes? ...
written 3 months ago by
vinayjrao • 140
0
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164
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... Dear Kevin,
Thank you for your response. I am arranging some of the details below -
> ProbeUID ProbeName Sequence
> 51568 GT_Mm_44k_51_P314501 ACGTCGCTTTTTGATCCTTCGATGTCGGCTCTTCCTATCATTGTGAAGCAGAATTCACCA
> 1164 (+)E1A_r60_1 `Sequence Column is Empty`
And you sai ...
written 3 months ago by
vinayjrao • 140
0
votes
1
answer
2.4k
views
1
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... I want to be able to see the contents of each file imported using `readTargets`. Is that possible? ...
written 3 months ago by
vinayjrao • 140
0
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0
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129
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0
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... Hi,
I am analyzing raw microarray data obtained using the Agilent system. When I was looking at the pre-analyzed results of the same data, I found that the two control samples were additive inverses of each other (-0.42, 0.42), thereby canceling each other to give a median log2FC of 0, but this tre ...
written 3 months ago by
vinayjrao • 140
2
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0
answers
164
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0
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... Hi,
I am analyzing raw microarray data obtained using the Agilent system. While looking at the results table, I found that a lot of the probes do not have a probe sequence. Could someone please guide me through these probes? Are these used only by the system, and do not mean anything biologically?
...
written 3 months ago by
vinayjrao • 140
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