62
votes
7
answers
2.4K
views
How can we make xkcd style graphs?
Apparently, folk have figured out how to make xkcd style graphs in Mathematica and in LaTeX. Can we do it in R
47
votes
8
answers
770
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Rotating and spacing axis labels in ggplot2
I have a plot where the x-axis is a factor whose labels are long. While probably not an ideal visualization,
61
votes
4
answers
2.9K
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data.table vs dplyr: can one do something well the other can't or does poorly?
Overview I'm relatively familiar with data.table, not so much with dplyr. I've read through some d
53
votes
8
answers
500
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What are the differences between "=" and "<-" assignment operators in R?
What are the differences between the assignment operators = and <- in R? I know that operators are slight
61
votes
25
answers
2.7K
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How do I replace NA values with zeros in an R dataframe?
I have a data frame and some columns have NA values. How do I replace these NA values with zeroes?
60
votes
17
answers
1.7K
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Remove rows with all or some NAs (missing values) in data.frame
I'd like to remove the lines in this data frame that: a) contain NAs across all columns. Below is my exa
58
votes
21
answers
1.5K
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Drop data frame columns by name
I have a number of columns that I would like to remove from a data frame. I know that we can delete them indiv
59
votes
10
answers
636
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Grouping functions (tapply, by, aggregate) and the *apply family
Whenever I want to do something "map"py in R, I usually try to use a function in the apply family. However,
54
votes
13
answers
2.9K
views
How to join (merge) data frames (inner, outer, left, right)
Given two data frames: df1 = data.frame(CustomerId = c(1:6), Product = c(rep("Toaster", 3), rep("Radio", 3)))
64
votes
19
answers
695
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How to sort a dataframe by multiple column(s)
I want to sort a data.frame by multiple columns. For example, with the data.frame below I would like to sort b
52
votes
23
answers
2K
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51
votes
15
answers
1.8K
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Link and execute external JavaScript file hosted on GitHub
When I try to change the linked reference of a local JavaScript file to a GitHub raw version my test file stop
60
votes
13
answers
2.4K
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Why is a git 'pull request' not called a 'push request'?
The terminology used to merge a branch with an official repository is a 'pull request'. This is conf
58
votes
4
answers
400
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How can I reference a commit in an issue comment on GitHub?
I find a lot of answers on how to reference a GitHub issue in a git comment (using the #xxx notation). I'
58
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9
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1.9K
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How to state in requirements.txt a direct github source
I've installed a library using the command pip install git+git://github.com/mozilla/elasticutils.git whi
65
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21
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Remote origin already exists on 'git push' to a new repository
I have my project on GitHub at some location, [email protected]:myname/oldrep.git. Now I want to push all my cod
58
votes
5
answers
1.3K
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How to update a pull request from forked repo?
So I first forked a repo and then made a commit to that forked repo. I then opened a pull request. The pull re
52
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5
answers
3.1K
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When does Git refresh the list of remote branches?
Using git branch --all shows all remote and local branches. When does Git refresh this list? On pull/push? An
59
votes
17
answers
665
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How to add screenshot to READMEs in github repository?
Is it possible to place a screenshot in README file in a GitHub repository? What's the syntax?
63
votes
9
answers
811
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What is the difference between GitHub and gist?
What is the purpose of gist and how is it different from regular code sharing/maintaining using GitHub?
