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Python pandas Filtering out nan from a data selection of a column of strings
...N:
In [87]:
nms
Out[87]:
movie name rating
0 thg John 3
1 thg NaN 4
3 mol Graham NaN
4 lob NaN NaN
5 lob NaN NaN
[5 rows x 3 columns]
In [89]:
nms = nms.dropna(thresh=2)
In [90]:
nms[nms.name.notnull()]
Out[90]:
movie name rating
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How do you install ssh-copy-id on a Mac?
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edited Jul 20 '16 at 19:50
answered Sep 4 '14 at 4:52
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Where is Java Installed on Mac OS X?
I just downloaded Java 7u17 on Mac OS 10.7.5 from here and then successfully installed it. In order to do some JNI programming, I need to know where Java installed on my Mac.
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How to thoroughly purge and reinstall postgresql on ubuntu? [closed]
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461
Option A
If your install isn't already damaged, you can drop unwanted PostgreSQL servers ("clus...
runOnUiThread vs Looper.getMainLooper().post in Android
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1 Answer
1
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How to set limits for axes in ggplot2 R plots?
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edited Jun 8 '17 at 11:37
Axeman
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ans...
Static implicit operator
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answered Nov 25 '10 at 4:38
Rex MRex M
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Spring @Transactional - isolation, propagation
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How do I query for all dates greater than a certain date in SQL Server?
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select *
from dbo.March2010 A
where A.Date >= Convert(datetime, '2010-04-01' )
In your query, 2010-4-01 is treated as a mathematical expression, so in essence it read
select *
from dbo.March2010 A
where A.Date >= 2005;
(2010 minus 4 ...