I have the following data set in data frameIDnumber OA EA beta1
C A -0.052 G A
0.0983 G T -0.789....I want to change
the sign of negative beta. If the negative value change to postive i want to
switch its EA and OA.My desire result will beIDnumber OA EA beta1
A C 0.052 G A
0.0983 T G 0.789....Any one can help me
with r codes? kind regards,Hana
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