Non-numeric-alike variable(s) in data frame
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19 days ago

Hi guys!

Does anyone know how to remove the header below because it keeps coming up with Error in Math.data.frame(Microarray.MSCs): non-numeric-alike variable(s) in data frame: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

Also, does anyone know what the R codes would be to perform microarray analysis in R. I'm following this https://www.semel.ucla.edu/sites/default/files/coppola-lab/CoppolaExampleCode.pdf workflow.

head(Microarray.MSCs)  

           V1        V2        V3        V4        V5        V6       V7        V8        V9
1    ProbeName   Day 0-1   Day 0-2   Day 0-3   Day 7-1   Day 7-2  Day 7-3  Day 14-1  Day 14-2
2 A_04_P063001   666.636 1696.1885  1557.941  6252.668 2919.4412 5536.268 12564.507 10459.793
3 A_04_P027222 134.40279  163.9967 150.52025  1936.827  583.9774 1742.507 1738.8904 1738.4939
4 A_04_P054052  79.53051 149.24582 276.84015 351.02386 332.94275  482.743  406.8957  289.9612
5 A_04_P043272 4.9999995  7.891682  20.59979  66.30415 57.350246 65.05819 46.807858  47.90688
6 A_04_P082033 4.9999995  5.562969  22.03437 28.541346  21.72589 45.44614 22.657038 9.8729105
        V10       V11       V12       V13          V14
1  Day 14-3  Day 21-1  Day 21-2  Day 21-3   GeneSymbol
2 10751.576   715 9.59   5940.33  6241.056 LOC100346751
3 1691.0352 899.52216  653.9722  702.0644             
4 411.41324 154.12201 126.39794 397.99387             
5 45.024284 29.569155 26.168947  69.53682 LOC100342109
6 16.986622 7.7133107 4.9999995   57.2613   

Thankyou!

microarray_analysis • 337 views
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Duplicate of Microarray analysis in R - target.txt,file,Sample info

colnames(Microarray.MSCs) <- Microarray.MSCs[1,]
Microarray.MSCs <- Microarray.MSCs[-1,]
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Microarray analysis in R- target.txt,file, Sample info was my post. Thankyou for your help. The second command came up as an error. Error in x[[jj]][iseq] <- vjj : replacement has length zero

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Ah yeah, edited it. My bad.

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Ok, great, thankyou.

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