R and SPSS difference

Question

I will be analysing vast amount of network traffic related data shortly, and will pre-process the data in order to analyse it. I have found that R and SPSS are among the most po

Answer 1

@Henrik, I did the same task you have mentioned (C++ and R) on SPSS. And it turned out that SPSS is faster compared to R on this one. In my case SPSS is aprox. 7 times faster. I am surprised about it.

Here is a code I used in SPSS.

data list free
 /x (f8.3).
begin data
1
end data.

comp n = 1e6.

comp t1 = $time.

loop #rep = 1 to 10.
comp x = 1.
loop #i=1 to n.
comp x = 1/(1+x).
end loop.
end loop.

comp t2 = $time.

comp elipsed = t2 - t1.

form elipsed (f8.2).

exe.