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When I am running the following lines, there is an error saying Error in toSrting(m) : could not find function "toSrting". I have no idea what happened since toString usually works well but not here:
m <- 1
for(m in 1:60000){
toSrting(m)
paste("trainxr", m) <- raster(trainxr[m,,])
strtoi(m)
m <- m + 1
}
Thank you for your help.
I've never used R but I think string is spelled wrong.
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I'm trying to use the match function in function with a for loop and it isn't working. Here is an example of the exact error I'm getting.
a <- c(1:10)
b <- c(2:11)
match(a,b)
It doesn't work. Here is the error I'm getting:
Error in match(a, b) : unused argument (b)
Then I tried something simpler:
match(2,a)
And it gives me this:
Error in match(2, a) : unused argument (a)
I really need this function for my code, can anyone tell me what I've done wrong?
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I am trying to compute this in R
When I tried
exp(1)^ln(1.89)/10
I get the error: Error in ln(1.89) : could not find function "ln"
I was wondering if ln is ^
I tried exp(1)^(1.89/10) but I get a value of 1.208041 and the answer should be 1.066.
Am I translating the equation into R correctly?
log() is the function you are looking for
T_val <- 2 # some value
exp(log(1.89) / 10 * T_val)
You should log and not ln. Moreover, parenthesis are important due to operator precedence (^ versus / and *).
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I trying to use following piece code in R Studio and I'm expecting a result that calculates b for 1:3 times.
for(b in 1:3){+cat(b,"+",b,"=",b+b, "\n")+}
However I keep getting an error:
Error: unexpected '}' in: "cat(b,"+",b,"=",b+b, "\n")+}"
Can anyone help please?
It expects something to add, but there is nothing to the right hand side of +.
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This is the R command I used to create a decision tree,
k <- C5.0(data1[1:16000,-32],as.factor(data2{1:16000,32])
but this output I get for error:
Error: unexpected '{' in "k <- C5.0(data1[1:16000,-32],as.factor(data2{"
Did I forget a bracket? I couldn't figure out why
Try
k <- C5.0(data1[1:16000,-32],as.factor(data2[1:16000,32]))
You used { instead of [ at the end and you also forgot to include another ) to wrap up your C5.0 function.
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I have an error
> for (i in 1:(cutoff_size-1)){work$group[i]=rep(c(0,1),c([i]-1,cutoff_size-[i]-1))}
Error: unexpected '[' in:"for (i in 1:(cutoff_size-1)){work$group[i]=rep(c(0,1),c(["
'cutoff_size' is numeric.
How can I solve this problem?
for (i in 1:(cutoff_size-1)){work$group[i]=rep(c(0,1),c(i-1,cutoff_size-i-1))}
this is probably what you're looking for.
[] are used to refer to position in array/data table/list.
If you're using it in a mathematical operation, you do not need the [] around the i.