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Python dataframe to array

2012-10-03 08:36 537 查看
import numpy as np
import rpy2.robjects as robjects
# ... some code to build path
robjects.r("load('%s')"%path) # loads immgen
e = robjects.r['data.frame']("exprs(immgen)")
expression_data = np.array(e)


This code runs, but
expression_data
is simply
array([[1]])
.
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