[R] System Invocation Error - Cspade

[sdoberman]

I am trying to run the cspade function in the arulesSequences package in R.
After I successfully read in my transactions using read_baskets, I try to
execute the cspade function against the transactions object I read in. 

However, when I execute the command, I obtain an error: system invocation
failed. Specifically, here is the output. 

    preprocessing ... 1 partition(s), 1.2 MB [0.23s] 
    mining transactions ...Error in cspade(table, parameter = list(support =
0.1), control =         list  (verbose = TRUE)) :  
    system invocation failed 

 The presence of "mining transactions" indicates that the following function
call in the cspade code is failing. 

    if (system2(file.path(exe, "spade"), args = c("-i", file,  
   "-s", parameter at support, opt, "-e", nop, "-o"), stdout = out))  
    stop("system invocation failed").  

 For reference, I can successfully generate sequences using the example zaki
dataset.

Does anyone have any idea why that command might be failing?

Thanks,

Stewart


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