Re: [R] My very first loop!! I failed. May I have some start-up aid?

Dear Jeff, Thank you! You helped me a lot! Tagmarie Am 19.08.2017 um 08:11 schrieb Jeff Newmiller: Thank you for providing the example code... for the request of running it multiple times it would have helped if you could have confirmed that the example ran through without errors... there

Re: [R] My very first loop!! I failed. May I have some start-up aid?

Thank you for providing the example code... for the request of running it multiple times it would have helped if you could have confirmed that the example ran through without errors... there were a lot of mistakes in it. Look into using the reprex package to check your example next time. I

Re: [R] My very first loop!! I failed. May I have some start-up aid?

The advice to use require is incorrect. The only time you should use require is if you are testing the return value from the require function AND you have a plan of what to do if the package is not available. 99% of the time raising an exception when the package is missing is the correct

Re: [R] My very first loop!! I failed. May I have some start-up aid?

[answers inline] On 18 August 2017 at 20:08, Dagmar wrote: > > myframe<- data.frame (ID=c("Ernie", "Ernie","Ernie","Ernie"), > Timestamp=c("24.09.2012 08:00", "24.09.2012 09:00", "24.09.2012 10:00", > "25.09.2012 10:00"), Longitude=c("8.481","8.482","8.483","8.481"), >

[R] My very first loop!! I failed. May I have some start-up aid?

Dear all, I have a data similar to this: myframe<- data.frame (ID=c("Ernie", "Ernie","Ernie","Ernie"), Timestamp=c("24.09.2012 08:00", "24.09.2012 09:00", "24.09.2012 10:00", "25.09.2012 10:00"), Longitude=c("8.481","8.482","8.483","8.481"), Latitude=c("54.753","54.753","54.752","54.751") )