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Add a common Legend for combined ggplots

... 108 Update 2015-Feb See Steven's answer below df1 <- read.table(text="group x y gr...
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How to slice an array in Bash

Looking the "Array" section in the bash(1) man page, I didn't find a way to slice an array. 4 Answers ...
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Can I set background image and opacity in the same property?

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Applying a function to every row of a table using dplyr?

... | edited Aug 6 '19 at 3:20 answered Jul 14 '14 at 0:20 ...
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How to plot two histograms together in R?

...ngle numeric column which lists the length of all measured carrots (total: 100k carrots) and cucumbers (total: 50k cucumbers). ...
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How do you detect Credit card type based on number?

... 781 +50 The credi...
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Shortest distance between a point and a line segment

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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?

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How do you round a floating point number in Perl?

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Tricky Google interview question

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