[R] Plot from function

[Duncan Murdoch]

On 11-08-15 7:55 AM, rmje wrote:
> *I have the following function:*
>
> /plot_mi_time = function(mdata, miname) {
>     mdata2 = mdata[row.names(hakat) == miname, ]

You passed the expression hsa-miR-98 as miname.  The simplest fix is to pass

"hsa-miR-98"

instead.  A more complicated alternative is to use 
deparse(substitute(miname)) in place of miname in the function:  that 
converts the expression to a string.

Duncan Murdoch

>     print(mdata2)
>     xcoords<- c(1,1,2,2,3,3,4,4,5,5,6,6)
>     plot(c(xcoords), mdata2, xaxt="n", ylab="Expression", xlab="Time(h)", ,
> main=miname)
> 	   axis(1, at=xcoords,
> labels=c("a","a","b","b","c","c","d","d","e","e","f","f"))
> }/
>
>
> *The function is supposed plot a row from the following input-table:*
>
>
> /                     X1h    X4h    X9h   X15h   X18h   X21h
> hsa-miR-99b*         173     64     66     56     65     65
> hsa-miR-99b          549    697   1070   1051   1777   2201
> hsa-miR-99a*           3      1      3      0      3      2
> hsa-miR-99a            5      4     14     16     33     37
> hsa-miR-98          3475   4177   4075   4513   4631   5940
> hsa-miR-96            21     99    101    135     87    103
> hsa-miR-95             3      7      6      4      3      5
> hsa-miR-944          275    209    253    311    313    320/
>
>
> *When running the function I get the following errro messag*e:
>
>> plot_mi_time(hakat, hsa-miR-98)
> Error in `[.data.frame`(mdata, row.names(hakat) == miname, ) :
>    object 'hsa' not found
>
>
> *Anyone know how to use the function correct?*
>
>
> --
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