R help - Jul 2014 - Fwd: Converting Lat Lon data in coordinates in R

Hi
​Hello
,

​Can anybody please let me know
 how can I convert Lat/Lon data in coordinates in R. I was trying to use
the rgdal package
​ and proj4 package​
. But being bit confused how to use S or N information.
​and degree min second information.
Any example help will be great.​
My data looks like:
  Latitude Longitude  22º54'57"S 47º08'50"W  22º49’38’’S
47º03’49’’W
22º54'13"S 47º01'08"W  22º50'39"S 47º05'47"W
22º49'10"S 47º03'34"W
3º5'47"S 59º59'24"W  2º55'47"S 59°58'32"W 
40º49’20’’N 77º49’58’’W

 ​Thanks,

Mitra

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