There are probably many mistakes with this code. I am used to coding in C
with a debugger, so I am very new to coding in R without one and different
syntax. My code in the upper left panel of R Studio
isz<-c(3,1,4,5,2,1,0,3,5,8)zlength(z)y<-c(0,0,0,0,0,0,0,0,0,0)ylength(y)zdiff
= diff(z)zdiffn<-length(zdiff)nx<-zdifff<-function(x) {
for (k in 1:n){ for (i in 1:n-k){ if
(all(x[i] * x[i-1] > 0) && ((x[i+k+1] * x[i+k]) < 0)
y[k]<-y[k]+1 } }
return(y)}f(x)__________I get back > z [1] 3 1 4 5 2 1 0 3 5 8> length(z)[1]
10> y<-c(0,0,0,0,0,0,0,0,0,0)> y [1] 0 0 0 0 0 0 0 0 0 0> length(y)[1] 10>
zdiff = diff(z)> zdiff[1] -2 3 1 -3 -1 -1 3 2 3> n<-length(zdiff)> n[1]
9> x<-zdiff> > f<-function(x) + {+ for (k in 1:n){+
for (i in 1:n-k){+ if (all(x[i] * x[i-1] > 0) &&
((x[i+k+1] * x[i+k]) < 0)+ y[k]<-y[k]+1 Error:
unexpected symbol in:" if (all(x[i] * x[i-1] > 0) &&
((x[i+k+1] * x[i+k]) < 0) y"> }Error:
unexpected '}' in " }"> > }Error:
unexpected '}' in " }"> return(y)Error: no function to
return from, jumping to top level> }Error: unexpected '}' in "}"> f(x)Error
in if (all(x[i] * x[i - 1] > 0) && ((x[i + k + 1] * x[i + k]) < : missing
value where TRUE/FALSE needed_________Perhaps there is someway to use NULL
or NA?
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