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How can I change Eclipse theme?
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edited Oct 14 '19 at 21:23
chrips
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answered Nov ...
How to check if element in groovy array/hash/collection/list?
...rray contains an element?
I thought there might be something like [1, 2, 3].includes(1) which would evaluate as true .
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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
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3 Answers
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How to find the JVM version from a program?
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AlexRAlexR
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How to make Regular expression into non-greedy?
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How do I do a case-insensitive string comparison?
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Guillaume Jacquenot
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answered Nov 26 '08 at 1:09
Harley HolcombeHarley Holcombe
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ImportError: No module named pip
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I had the same problem.
My solution:
For Python 3
sudo apt-get install python3-pip
For Python 2
sudo apt-get install python-pip
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Git submodule add: “a git directory is found locally” issue
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edited Jan 3 '19 at 1:50
answered Mar 3 '16 at 16:48
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How to force R to use a specified factor level as reference in a regression?
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See the relevel() function. Here is an example:
set.seed(123)
x <- rnorm(100)
DF <- data.frame(x = x,
y = 4 + (1.5*x) + rnorm(100, sd = 2),
b = gl(5, 20))
head(DF)
str(DF)
m1 <- lm(y ~ x + b, data = DF)
summary(m1)
Now alter the factor b ...