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How to succinctly write a formula with many variables from a data frame?
Suppose I have a response variable and a data containing three covariates (as a toy example):
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ggplot with 2 y axes on each side and different scales
I need to plot a bar chart showing counts and a line chart showing rate all in one chart, I can do both of them separately, but when I put them together, I scale of the first layer (i.e. the geom_bar ) is overlapped by the second layer (i.e. the geom_line ).
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How to get an absolute file path in Python
Given a path such as "mydir/myfile.txt" , how do I find the file's absolute path relative to the current working directory in Python? E.g. on Windows, I might end up with:
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Access Denied for User 'root'@'localhost' (using password: YES) - No Privileges?
I am continuously receiving this error.
20 Answers
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Cannot find Dumpbin.exe
...system. I have Visual Studio 2005 on my system. When I type dumpbin on the command line, it says unrecognizable command.
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Linking R and Julia?
Julia looks very promising for fast and syntax-sane computation (e.g. here ), but I suspect it will not be anywhere near R in terms of overall statistics workflow for some time yet. So I'd like to use it where C++ is mainly used in R programs: to optimize slow portions of code. Before I invest th...
How do I split a multi-line string into multiple lines?
I have a multi-line string literal that I want to do an operation on each line, like so:
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Remove duplicates in the list using linq
I have a class Items with properties (Id, Name, Code, Price) .
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一个自媒体的运营手记：我做公众号已经两年多了 - 资讯 - 清泛网 - 专注C/C...
...把衣服吹透透了，脸都冻僵了，心里想，今天自己真是no cuo no die啊，心里有一万个后悔，但是如果退回去，则是更难退，因为退回去的路更难，所以只好痛苦的坚持着，不知道后悔了多少次，想后退多少次，我也不知道，反正...
How to write DataFrame to postgres table?
...e is DataFrame.to_sql method, but it works only for mysql, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine.
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