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Relative frequencies / proportions with dplyr
...()) %>%
mutate(freq = n / sum(n))
# am gear n freq
# 1 0 3 15 0.7894737
# 2 0 4 4 0.2105263
# 3 1 4 8 0.6153846
# 4 1 5 5 0.3846154
From the dplyr vignette:
When you group by multiple variables, each summary peels off one level of the grouping. That makes it ea...
How to import module when module name has a '-' dash or hyphen in it?
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edited Dec 2 '11 at 13:56
answered Dec 2 '11 at 2:00
S...
How to match “any character” in regular expression?
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answered May 26 '10 at 12:31
Delan AzabaniDelan Azabani
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Private virtual method in C++
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answered Jan 31 '10 at 5:42
Prasoon SauravPrasoon Saurav
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Library not loaded: /usr/local/opt/readline/lib/libreadline.6.2.dylib
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379
I was getting the exact same error, but the above answers didn't work for me. I had to reinsta...
List directory in Go
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373
You can try using the ReadDir function in the io/ioutil package. Per the docs:
ReadDir rea...
Why are data transfer objects (DTOs) an anti-pattern?
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edited Jan 25 '10 at 3:40
Jim Ferrans
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ans...
GridLayout and Row/Column Span Woe
...t_gravity="fill_vertical"
android:layout_rowSpan="4"
android:text="3" />
<Button
android:layout_columnSpan="3"
android:layout_gravity="fill"
android:layout_rowSpan="2"
android:text="4" />
<Button
android:layout_columnSpan="3"
android:layout_gravity="fill...
Convert Object to JSON string
...to be converted to JSON string
I got a link http://www.devcurry.com/2010/03/convert-javascript-object-to-json.html
but it need to have json2.js do jQuery has a native method to do this?
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How to create a temporary directory and get the path / file name in Python
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Samuel Rossille
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answered Jul 11 '10 at 15:45
PhilippPhilipp
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