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Hi Experts, I have a dataset of 3 columns: customer.name product cost John Toothpaste 30 Mike Toothpaste 45 Peter Toothpaste 40 And I have a function of cost whereby cost = 3.40 + (1.20 * no.of.orders^2) I want to do a backward calculation for each records (each customer) to find his no.of.orders and create a new column named "no.of.orders" in that...

http://www.colgate.toothpaste-sample.com Get New Colgate Max Fresh Whitening Toothpaste. Cool Mint Flaor with Breath Strips. -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk&quot...

...ails 2.0 i have a index.rhtml for items item has 3 attributes other than id, they are name, category and size current status => inside the index.rhtml i obviously already display my data as below: name category size a mugs L aa mugs M abc towels L bb toothpaste S what i need now is an additional drop down list that will contain all possible categories of the products so if i choose let say, mugs from the drop down list the whole page can either using ajax to refresh the list to contain just mugs or do a refresh of the page. this drop down not only ne...

..., the commission said. It has yet to decide on whether to issue formal charges in the case, which includes French brewer Kronenbourg SA. The arrival of euro paper money and coins in 12 European countries in January is raising consumers' awareness of national price differences on products from toothpaste and cosmetics to washing machines and cars. Euro Pricing While Denmark is one of the three EU countries not using the currency, it keeps the krone closely aligned with it. Eighty-six percent of Europeans expect to use the currency to make cross- border price comparisons easier, an EU poll foun...

...roducts >> Soap;banana;Corona_Beer;King Burger;Pumpkin;Adidas Sport Tshirt XL;milk >> Shampoo;Mango;Red Label Whisky;Fries;Potato;Nike Shorts Black L;Butter >> Showergel;Oranges;grey Cocktail;cheese pizza;Tomato;Puma Jersy red M;sugar >> Lux_Soap;;2 Large corona Beer;;Cheese;Toothpaste") >> >> table_2 <- read.csv(table_2, sep = ";", na.strings = "", stringsAsFactors >> = FALSE, check.names = FALSE) >> >> library(tidyr) >> library(dplyr) >> >> table_2 <- gather(table_2, "Category", "Item...

...King Burger;Pumpkin;Adidas Sport Tshirt XL;milk >>>> Shampoo;Mango;Red Label Whisky;Fries;Potato;Nike Shorts Black L;Butter >>>> Showergel;Oranges;grey Cocktail;cheese pizza;Tomato;Puma Jersy red >>>> M;sugar >>>> Lux_Soap;;2 Large corona Beer;;Cheese;Toothpaste") >>>> >>>> table_2 <- read.csv(table_2, sep = ";", na.strings = "", >>>> stringsAsFactors = FALSE, check.names = FALSE) >>>> >>>> library(tidyr) >>>> library(dplyr) >>>> >>>&gt...

...ana;Corona_Beer;King Burger;Pumpkin;Adidas Sport Tshirt XL;milk >>> Shampoo;Mango;Red Label Whisky;Fries;Potato;Nike Shorts Black L;Butter >>> Showergel;Oranges;grey Cocktail;cheese pizza;Tomato;Puma Jersy red >>> M;sugar >>> Lux_Soap;;2 Large corona Beer;;Cheese;Toothpaste") >>> >>> table_2 <- read.csv(table_2, sep = ";", na.strings = "", >>> stringsAsFactors = FALSE, check.names = FALSE) >>> >>> library(tidyr) >>> library(dplyr) >>> >>> table_2 <- gather(table_2,...

Hey PIKAL, It's not a homework neithe that is the real dataset i have signer NDA for my company so that i can share the original data file, Actually I'm working on a market basket analysis task but not able to convert my existing data table to appropriate format so that i can apply Apriori algorithm using R, and this is very important me to get it done because I'm an intern and if i

Dear subscribers of r-help, I would like to know your opinion about a privacy problem that I recently had after publishing to this list. Not a long time ago, I requested to the administrators of this list that they removed 2 or 3 old posts from mine. These posts were associating my name with an old company for which I worked a few years ago when you would look up my real name at google. I'm