[R-SIG-Finance] time format convert

[jun wang]

Dear all,

I have the following data format:

                                          x
2012-02-24 10:10:00 1.267113e-05
2012-02-27 10:10:00 2.397383e-05
2012-02-28 10:10:00 2.576296e-05
2012-02-29 10:10:00 4.171427e-05
2012-03-01 10:10:00 3.855354e-05
2012-03-02 10:10:00 2.446517e-05
2012-03-05 10:10:00 2.565693e-05
2012-03-06 10:10:00 2.137300e-05
2012-03-07 10:10:00 1.953491e-05
2012-03-08 10:10:00 1.425474e-05

I was wondering if there is any way to convert this into the following
format,basically get rid of the time,just keep the data.

                                         x
2012-02-24  1.267113e-05
2012-02-27  2.397383e-05
2012-02-28  2.576296e-05
2012-02-29  4.171427e-05
2012-03-01  3.855354e-05
2012-03-02  2.446517e-05
2012-03-05  2.565693e-05
2012-03-06  2.137300e-05
2012-03-07  1.953491e-05
2012-03-08  1.425474e-05

Many thanks!

Jun

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