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Reorder levels of a factor without changing order of values
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some more, just for the record
## reorder is a base function
df$letters <- reorder(df$letters, new.order=letters[4:1])
library(gdata)
df$letters <- reorder.factor(df$letters, letters[4:1])
You may also find useful Relevel and combine_factor.
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Socket.IO Authentication
...answered Jan 16 '14 at 15:01
José F. RomanielloJosé F. Romaniello
11.7k22 gold badges3232 silver badges3737 bronze badges
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How to get the number of Characters in a String?
...For example, an 'e' and '◌́◌́' (acute "\u0301") can combine to form 'é' ("e\u0301" in NFD). Together these two runes are one character.
The definition of a character may vary depending on the application.
For normalization we will define it as:
a sequence of runes that starts with a star...
Use of *args and **kwargs [duplicate]
... use *args when you're not sure how many arguments might be passed to your function, i.e. it allows you pass an arbitrary number of arguments to your function. For example:
>>> def print_everything(*args):
for count, thing in enumerate(args):
... print( '{0}. {1}'.format(c...
How do I include a newline character in a string in Delphi?
...nswered Jul 18 '14 at 21:06
Jessé CatrinckJessé Catrinck
1,6311414 silver badges2020 bronze badges
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Multiple lines of input in
... answered Dec 4 '13 at 13:30
StéSté
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When should you use 'friend' in C++?
...what you want and friend gives you that power.
– André Caron
Oct 21 '10 at 18:28
5
Could you ple...
Why does document.querySelectorAll return a StaticNodeList rather than a real Array?
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Just to add to what Crescent said,
if it's just one function you want, you can do something like NodeList.prototype.map = Array.prototype.map
Don't do this! It's not at all guaranteed to work.
No JavaScript or DOM/BOM standard specifies that the NodeList constructor-functio...
Good way of getting the user's location in Android
... answered Jun 8 '11 at 13:21
StéphaneStéphane
6,56411 gold badge3939 silver badges5050 bronze badges
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HTTP URL Address Encoding in Java
...= new URI(
"http",
"search.barnesandnoble.com",
"/booksearch/é",
null);
String request = uri.toASCIIString();
For an URL with a query like http://www.google.com/ig/api?weather=São Paulo, use the 5-parameter version of the constructor:
URI uri = new URI(
"http",
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