search for: item_value

mydata <- read.table(textConnection(" Id cat1 location item_values p-values sequence a111 1 3002737 100 0.01 1 a112 1 3017821 102 0.05 2 a113 2 3027730 103 0.02 3 a114 2 3036220 104 0.04 4 a115 1 3053984 105 0.03 5 a118 1 3090500 106 0.02...

Id cat1 location item_values p-values sequence a111 1 3002737 100 0.01 1 a112 1 3017821 102 0.05 2 a113 2 3027730 103 0.02 3 a114 2 3036220 104 0.04 4 a115 1 3053984 105 0.03 5 a118 1 3090500 106...

Hi, I am a beginner with R, and I think the answer to my question will seem obvious, but after searching and trying without success I've decided to post to the list. I am working with data loaded from a csv filewith these fields: order_id, item_value As an order can have multiple items, an order_id may be present multiple times in the CSV. I managed to compute the total value and the number of items for each order: oli <- read.csv("/tmp/order_line_items_data.csv", header=TRUE) orders_values <- tapply(oli[[2]], oli[[1]], s...

I am trying to create a frequency distribution and I am a bit confused. Here are the commands I have entered: > data <- read.csv(file="40609_sortedfinal.csv",head=TRUE,sep=",") > NumberOfActionsByStatus = data$STATUS > NumberOfActionsByUser = data$ETS_LOGIN > NumberOfBidOffer = data$BID_OFFER > NumberOfActionsByUser.freq = table(NumberOfActionsByUser) >