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tp4649686
2012 Nov 16
1
Split data frame and create a new column
...Current stand
L1o3maxG10
L1o3P10
L2o3G10
noxP10
pm25S_01
comeanS_03
noxP_04
What I want to get :
pollutant Lag station
o3 1 G
o3 1 P
o3 2 G
nox 0 P
Pm25 01 S
co 03 S
nox 04 P
Thanks
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