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How to split data into training/testing sets using sample function
I've just started using R and I'm not sure how to incorporate my dataset with the following sample code:
23 Answers
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Understanding ibeacon distancing
... ibeacon (beacon/ Bluetooth-lowenergy/BLE) m>ca m>n work. Is there any true documentation on how far exactly an ibeacon m>ca m>n measure. Lets say I am 300 feet away...is it possible for an ibeacon to detect this?
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How to define a function in ghci across multiple lines?
I'm trying to define any simple function that spans multiple lines in ghci, take the following as an example:
7 Answers
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Temporarily put away uncommitted changes in Subversion (a la “git-stash”)
While programming software stored in a Subversion repo, I often modify some files, then notice that I'd like to do some preparatory change for my main work. E.g. while implementing new functionality, I notice some refactoring which might help me.
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Light weight alternative to Hibernate? [closed]
I have a single user java program that I would like to have store data in a light weight database such as Derby or Sqlite. I would like to use a data abstraction layer in my program. Hibernate appears to require a lot of configuration and is overkill for what I need. What are light weight alternativ...
What is the difference between range and xrange functions in Python 2.X?
...range creates a list, so if you do range(1, 10000000) it creates a list in memory with 9999999 elements.
xrange is a sequence object that evaluates lazily.
In Python 3, range does the equivalent of python's xrange, and to get the list, you have to use list(range(...)).
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How to automatim>ca m>lly add user account AND password with a Bash script?
I need to have the ability to create user accounts on my Linux (Fedora 10) and automatim>ca m>lly assign a password via a bash script(or otherwise, if need be).
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How to drop columns by name in a data frame
I have a large data set and I would like to read specific columns or drop all the others.
11 Answers
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Convert UTC Epoch to lom>ca m>l date
I have been fighting with this for a bit now. I’m trying to convert epoch to a date object. The epoch is sent to me in UTC. Whenever you pass new Date() an epoch, it assumes it’s lom>ca m>l epoch. I tried creating a UTC object, then using setTime() to adjust it to the proper epoch, but the only m...
RuntimeWarning: DateTimeField received a naive datetime
I m trying to send a simple mail using IPython. I have not set up any models still getting this error. What m>ca m>n be done?
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