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transactionsfromsingleitems
2008 Sep 03
0
How to read-in a transaction-table with single items per line via RODBC?
...ctions(tr_dat, format="single") of the
package arules but I didn'd succeed getting the following error
Error: invalid class "ngCMatrix" object: slot i is not *strictly*
increasing inside a column.
After reading the R source of read.transactions I wrote the below
function transactionsFromSingleItems, which seems to work. The problem
seemed to be that the items of the list tr_basket are not atomic. That's
why I used the following ugly construct: tr_basket =
as.list(sapply(tr_basket, as.character)) as a newbee that I am.
But I think there must be an easier and more elegant way. Can anyb...