[R] Calling Dynamic Variables names

[santoshdvn]

HI,

Need help in calling the dynamic variables 

I have 2 datasets . FIrst one(mdata) is having the metadata and second
one(dataset) has got the data. 

sample 
*mdata *
Variable (header)

attribute1
attribute2
attribute3
attribute4

*dataset *

attribute1     attribute2     attribute3    attribute4  

1                             3                    34               12
3                             45                  1                  09
34                           22                  12               12
56                           6                     16              77
......................
so i have written a forloop 


code :  i want to find the mean for each attribites

for( i in mdata$vairable)
{
  print (mean(dataset$i)    # wants to call i value
}


please help in regard.

THanks,
Santosh

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