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I'm trying to run a long code, but the error I'm getting on Rstudio is
Error in data.frame(..., check.names = FALSE) :
arguments imply differing number of rows: 0, 75
how do I resolve this?
expecting to get a csv file in the end
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I want to run a binary logistic regression in R but I see this error:
Error in if (!length(fname) || !any(fname == zname)) { :
missing value where TRUE/FALSE needed
It happens because I use variables with $. For example data$HEIGHT.
I use read.table() for importing .txt file.
How can I use HEIGHT instead of data$HEIGHT?
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I am using R Studio and creating some vectors and doing some calculations with them. However, when I execute the code, I get the unused argument error. How can I solve this issue?
f <- c(2,4,6)
v <- c(1,2,3,4,5)
cos(c(0, pi/4, pi/2, pi))
The variable might exist in your R workspace. What you could do is to start from a clean session or try typing rm("c") in your console and this will solve your problem. It cleans c from the workspace.
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No line number is given, for the error, in an R script. Googling didn't help.
What's the problem?
I had meant to put this line in the script:
# -----------
but instead it was this line.
-----------
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I have a vector c("A","B","C",......) and a list list(c("A"),c("B","C"))
I want to get a vector c(1,2,2....)
Is there any function in some basic packages?
we can use merge
merge(stack(setNames(lst, seq_along(lst))), data.frame(values=v1))$ind
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Given the following setup:
area.factor <- cut(state.x77[,"Area"],
breaks=quantile(state.x77[,"Area"],c(0,.25,.75,1)),
labels=c("small","medium","large"),
include.lowest=TRUE)
state <- data.frame(pop=state.x77[,"Population"],
inc=state.x77[,"Income"],
area=area.factor,
region=state.region)
pop.area.region <- with(state,ftable(pop,area,region))
The following two lines of code are show the same result:
head(ftable(prop.table(pop.area.region,margin=2)))
head(prop.table(pop.area.region,margin=2))
I don't understand what effect adding ftable has, if any, in:
head(ftable(prop.table(pop.area.region,margin=2)))
Adding ftable witll try to coerce the pop.area.region to a ftable class. Here
No need to add ftable since pop.area.region is already an ftable.
identical(ftable(prop.table(pop.area.region,margin=2)),
prop.table(pop.area.region,margin=2))
TRUE