[R] Replace for loop when vector calling itself

[rivercode]

Hi,

Thanks for your replies.

In summary:

1.   Replace code with c(0, cumsum(diff(theoP)) ).   This is indeed correct
and I had not realized it !!

>> d = vector(mode = "numeric", length= len)
>> d[1] = 0
>> if (len>1) for (i in 2:len) { d[i] = d[i-1] + theoP[i] - theoP[i-1] }

2.  How to create recursive vector, eg. vector = previous vector * new_data
... suggested to look at the filter() function.

Thanks for your replies.

Cheers,
Chris

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