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Converting strings to floats in a DataFrame
...,'foo'])))
In [11]: df
Out[11]:
A B
0 1.0 1.0
1 1 foo
In [12]: df.dtypes
Out[12]:
A object
B object
dtype: object
In [13]: df.convert_objects(convert_numeric=True)
Out[13]:
A B
0 1 1
1 1 NaN
In [14]: df.convert_objects(convert_numeric=True).dtypes
Out[14]:
A f...
Iterating Over Dictionary Key Values Corresponding to List in Python
...66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.6924 13.8962 46.1709 13.2535 46.1709 11.9512V9.17788Z\"/\u003e\u003cpath d=\"M32.492 10.1419C32.492 12.6954 34.1182 14.0484 37.0451 14.0484C39.9723 14.0484 41.5985 12.6954...
Writing a Python list of lists to a csv file
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312
Python's built-in CSV module can handle this easily:
import csv
with open("output.csv", "wb")...
unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste
...red Dec 17 '10 at 17:35
user225312user225312
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What is the difference between dict.items() and dict.iteritems() in Python2?
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answered May 5 '12 at 3:26
KeithKeith
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Unit Testing AngularJS directive with templateUrl
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12 Answers
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Only read selected columns
...27 -25 -31 -31 -39 -25 -15 -30 -27 -21 -25
2011 -21 -27 -2 -6 -10 -32 -13 -12 -27 -30 -38 -29
and was created by using
write.table(dat, file = "data.txt", row.names = FALSE)
where dat is
dat <- structure(list(Year = 2009:2011, Jan = c(-41L, -41L, -21L), Feb = c(-27L,
-27L, -27L), Mar = c(-...
Check whether a request is GET or POST [duplicate]
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edited Sep 27 '12 at 7:17
leek
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answer...
How can strings be concatenated?
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Graham
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answered Apr 26 '10 at 6:59
mpenmpen
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What can , and be used for?
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edited Jun 20 at 9:12
Community♦
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answered Jun 16 '11 at 20:08
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