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Factors in R: more than an annoyance?
... same. However, you end up with warnings in your code:
lm(Petal.Length ~ -1 + Species, data=iris)
# Call:
# lm(formula = Petal.Length ~ -1 + Species, data = iris)
# Coefficients:
# Speciessetosa Speciesversicolor Speciesvirginica
# 1.462 4.260 5.552 ...
How do I replace a character at a particular index in JavaScript?
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edited May 12 at 17:33
Kate Orlova
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How do you launch the JavaScript debugger in Google Chrome?
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How to succinctly write a formula with many variables from a data frame?
...in a formula to mean all the variables, it is the . identifier.
y <- c(1,4,6)
d <- data.frame(y = y, x1 = c(4,-1,3), x2 = c(3,9,8), x3 = c(4,-4,-2))
mod <- lm(y ~ ., data = d)
You can also do things like this, to use all variables but one (in this case x3 is excluded):
mod <- lm(y ~ ...
How to check edittext's text is email address or not?
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Is there shorthand for returning a default value if None in Python? [duplicate]
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edited Dec 28 '17 at 6:41
imechemi
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answered Dec 4 '...
How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
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How do you run a crontab in Cygwin on Windows?
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You need to also install cygrunsrv so you can set cron up as a windows service, then run cron-co...
How to evaluate http response codes from bash/shell script?
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