Convert data format for R package Mfuzz -

i have dataframe called mydf containing 4 different columns. want convert format accepted mfuzz package generate cluster. want see cluster of sample1, sample2 , sample3. how convert mydf format used in mfuzz?

mydf      s. no  sample1  sample2 sample3     1        0.003   0.9       11.3     2        0.003   1.9       33.3      3        0.004   2.9       3.4        4        0.005   2.0       44.4     5        0.004   2.3       43.4 

i hope little example helpful

set.seed(42) mydf = data.frame(a=rnorm(10),b=runif(10),c=rpois(10,l=1)) test = new('expressionset', exprs=mydf) # fails test = new('expressionset', exprs=as.matrix(mydf)) # works t.cl = mfuzz(test,c=3,m=1.25) mfuzz.plot(set,cl=t.cl, mfrow=c(2,2))