Hi Everyone,
I have a some data from a sports gps device like the following:
time latitude longitude altitude distance heartrate
1 1277648884 0.304048 -0.793819 260 0.000000 94
2 1277648885 0.304056 -0.793772 262 4.307615 95
3 1277648888 0.304060 -0.793696 263 11.262347 97
4 1277648894 0.304075 -0.793544 263 25.237911 103
5 1277648898 0.304085 -0.793455 263 33.322525 108
6 1277648902 0.304064 -0.793387 256 40.042988 115
As you can see, the samples have irregular holes in the time column. How
can I fill in the missing samples using na.approx?
I've tried to creating a blank series with no gaps and combine them, but
"merge" just adds columns and "rbind" compains about duplicate indexes.
P.S. My GPS still has holes in the data when I turn off "smart recording" :(
Thanks,
Jason
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