search for: item8

Suppose this is my list of transactions: set.seed(200) tran=random.transactions(100,3) inspect(tran) items transactionID 1 {item80} trans1 2 {item8, item20} trans2 3 {item28} trans3 I want to get the 'transpose' of the data, i.e. transactionID items 1 {trans2} item8 2 {trans2} item20 3 {trans3} item28 4 {trans1} item80 I tried converting tran into a matrix, t...

...s been answered somewhere else, but I have been searching for an answer all day and not been able to find one. I am trying to plot a path diagram for a CFA I have run, I have installed Rgraphviz and run the following: pathDiagram(cfa, min.rank='item1, item2, item3, item4, item5, item6, item7, item8, item9, item10, item11, item12', max.rank='SMP, AAAS', file='documents') I get the following message and output: Running dot -Tpdf -o documents.pdf documents.dot digraph "cfa" { rankdir=LR; size="8,8"; node [fontname="Helvetica" fontsize=...

...lam36, NA F1 -> Item54, lam54, NA F1 -> Item63, lam63, NA F1 -> Item65, lam55, NA F1 -> Item67, lam67, NA F1 -> Item69, lam69, NA F1 -> Item73, lam73, NA F1 -> Item75, lam75, NA F1 -> Item76, lam76, NA F1 -> Item78, lam78, NA F1 -> Item79, lam79, NA F1 -> Item80, lam80, NA F1 -> Item83, lam83, NA F2 -> Item12, lam12, NA F2 -> Item32, lam32, NA F2 -> Item42, lam42, NA F2 -> Item47, lam47, NA F2 -> Item64, lam64, NA F2 -> Item66, lam66, NA F2 -> Item68, lam68, NA F2 -> Item74, lam74, NA F3 -> Item3, lam3, NA F3 ->...

I would like to have tags mandatory in my app. The following keeps giving me error that params is nill. def validate() if (@params[:tags]) errors.add(@params[:tags], ":tags must be entered ") end end Why cannot I access params in my model class? The field for tags is called "tags" How else can I add an error using errors.add? I

...h@gmail.com> Subject: [R] package "arules" - 'transpose' of the transactions To: r-help@r-project.org Date: Monday, December 20, 2010, 8:41 AM Suppose this is my list of transactions: set.seed(200) tran=random.transactions(100,3) inspect(tran)   items    transactionID 1 {item80}        trans1 2 {item8,    item20}        trans2 3 {item28}        trans3 I want to get the 'transpose' of the data, i.e.   transactionID  items 1 {trans2}        item8 2 {trans2}        item20 3 {trans3}        item28 4 {trans1}        item80 I tried converting tran into a matrix, t...

Hello, I have a multi-year dataset (see below) with date, a data value and a flag for the data value. I want to find the monthly median for each month in this dataset and then plot it. If anyone has suggestions they would be greatly apperciated. It should be noted that there are some dates with no values and they should be removed. Thanks Emily > print ( str(data$flow$daily) )