search for: carlis

Hello R users, My problem is that the data I've got is in the minimum number of columns with each ward (geographic area) appearing multiple times. The first 30 terms look like this > HHum02 CASW Btype Yr CO2Group NumVeh 170597 00CCFA CARS 2002 C 2 170598 00CCFA CARS 2002 D 2 170599 00CCFA CARS 2002 E 22 170600 00CCFA CARS 2002

can someone help me with this i have a table cars ( id int model_id int make_id int color_id int description text constraint fk_cars_carmake foreign key(make_id) references carmakes(id), constraint fk_cars_carmodel foreign key(model_id) references carmodels(id), constraint fk_cars_color foreign key(color_id) references colors(id) ) carmakes ( id int carmake varchar ) carmodels ( id

I have the following data: prefix <- c("cheap", "budget") roots <- c("car insurance", "auto insurance") suffix <- c("quote", "quotes") prefix2 <- c("cheap", "budget") roots2 <- c("car insurance", "auto insurance") roots3 <- c("car insurance", "auto

Newbie here. Many apologies in advance for using the incorrect lingo. I'm new to statistics and VERY new to R. I have a "nx2" matrix , I want to sort the values based on the average of 2 columns and put k lowest (or highest) values in bin1, second k high/low values in bin2, and so on (bins would be of the same dimensions). I should also know what the first index (or position) of

Hi First off, I''m using Ruby 1.9.1p378 and Rails 2.3.8. I was creating a minimal application to test handling of Norwegian special characters when I bumped into this strange problem... I have a simple Car model with fields maker:string and model:string. For the controller I planned to just have an index action do all the work: class CarsController < ApplicationController def index

Hi, So finally I have also decided to roll my engines on Rails. But I am kind of stuck in a situation. I understand that for every model there is a controller class. This controller class has cirtain set of methods where each method defines cirtain action to be performed. And each of this action renders cirtain UI. [The background] Now let say I have a object "Car". Apart from

A new function in my heplots package wants to use a non-exported utility function in the car package, df.terms, but this depends on other non-exported functions. From the Writing R extensions manual, I thought I could do this via (in my NAMESPACE) importFrom(car, car:::df.terms, car:::df.terms.default, car:::is.aliased) but I get: ** preparing package for lazy loading Error : objects

Estimados miembros de la lista, Estoy trabajando con la función spin del paquete knitr y no puedo entender por que a pesar de usar #+ para iniciar cada chunk no reconoce el inicio de un nuevo chunk al menos que incluya texto entre cada inicio de chunk. En el ejemplo abajo #+ data(cars) #+ cars No los separa como 2 chunks diferentes Ejemplo de mi archivo en r (prueba.R)

Ahh yes, sorry about that. Here's the corrected snippet: # Create an Example Data Frame Containing Car x Color data carnames <- c("bmw","renault","mercedes","seat") carcolors <- c("red","white","silver","green") datavals <- round(rnorm(16, mean=10, sd=4),1) data <- data.frame(Car=rep(carnames,4),

Hi Folks, I''m having trouble with setting up web services with layered dispatching. I''ve defined my controller (backend_controller.rb) as: class BackendController < ApplicationController web_service_dispatching_mode :layered web_service_scaffold :invoke web_service (:car) {CarService.new} end and my service (node_service.rb) as:

Any rpart user: I am trying to construct an rpart tree using a subset of the data and it will occasionally fail when predicting a categorical response variable. The reason that rpart fails is that the subset does not contain each of the categories present in the original data. For example, in the car.test.frame example, a subset that has all the categories except "Small" will not

I got this error when I tried to install the package in order to use the "logit"(logit transformation) function on linux. > install.packages(car) Error in install.packages(car) : object 'car' not found I was using the Terminal in my macbook accessing the server in the lab. I could successfully using library(car) to install this package use R.app GUI in my laptop, after

Hi, I am very confused about an aspect of has_one and has_many relations, with regard to using the build method, and saving the belongs_to side. It''s a somewhat long post. so please bear with me :) First let''s consider the has_one scenario. Let''s say I have a student who must own exactly one car: class Student has_one(:car) end class Car belongs_to(:student)

in the mean time i am using a checkbox like this : <input type="checkbox" name="var[car]" <%= var.car ? ''checked'' : '''' unless @var == nil %> /> but i am sure there is something better than this in rails like <%= checkbox_tag ''var'', ''car'', :checked => true %> but this is not

Hello, I tried to install the "car" package but I can't solve the dependencies. car needs grid, lattice and dr but when I try to install grid I get this error prompt: wz3x64:/home/oggi/R/software/contrib # rpm -i R-car-1.0.R3-1.i386.rpm error: failed dependencies: R-grid is needed by R-car-1.0.R3-1 R-lattice is needed by R-car-1.0.R3-1

I've been inspired to look at the R source code by some strange timing results that I wrote about on my blog at radfordneal.wordpress.com (see the posts on "Speeding up parentheses..." and "Two surprising things...". I discovered that the strange speed advantage of curly brackets over parentheses is partially explained by an inefficiency in the evalList and

Hi R-helpers, I have the following (dummy) dataframe: > test DATE LOCATION KIND CLASS COUNT 1 1 1 CAR A 2 2 1 1 TRUCK D 3 3 1 1 BUS E 4 4 1 2 CAR E 2 5 1 2 TRUCK A 7 6 1 2 BUS F 1 That I would like to turn into this: > test2 DATE LOCATION KIND CLASS 1 1 1

I've just uploaded gregmisc_0.8.2.tar.gz to CRAN. It should show up in the package repository in a day or two. This version of the gregmisc package provides an enhanced 'balloonplot' function with 'rowsrt', 'colsrt' arguments to control rotation of the labels, and 'rowmar', 'colmar' to control the amount of space reserved for the labels. Here's

Muchas gracias Carlos. Tengo la versión de knitr 1.14 Corrí el ejemplo que me dices y resulta en lo mismo, no se crean chunks diferentes. Parece que para separar chunks se debe incluir #' Por ejemplo, estas 2 líneas de códigos del ejemplo: #+ test-chisq5 sum(x^2) # chi-square distribution with df 5 #+ test-chisq4 sum((x - mean(x))^2) # df is 4 now Dan como resultado en el Rmd (todo queda

Hello, I need to write a function that will return a link only if the current user is the owner. Here is my code... 1. application_helper.rb 2. 3. def link_to_if_owned(owner_id, anchor_text, where_to_go) 4. if current_user.id == owner_id # current user is owner 5. "#{link_to anchor_text, where_to_go}" 6. else 7. anchor 8. end 9. end And