similar to: Filtering output

Displaying 20 results from an estimated 6000 matches similar to: "Filtering output"

2008 Aug 05
1
RESHAPE cast help.
I have a set of data that is basically sales figures for a given year. It has columns for Yeaqr, Day Of Year, Sku, SubCatetory, and Category. The first few lines of data look like: Year DayOfYear Sku Quantity CatId Category SubCategory 1 2007 1 100091 1 10862 HOLIDAY Christmas 2 2007 1 100138 1 11160 PET COSTUMES Famous
2008 Jul 26
1
Simple vector question.
I have some data that I read in via read.csv: sales2007 <- read.csv("Total2007.dat", header=TRUE) The data looks like: > sales2007[1:605,] Year DayOfYear Sku Quantity CatId Category SubCategory 1 2007 1 100091 1 10862 HOLIDAY Christmas 2 2007 1 100138 1 11160 PET COSTUMES Famous (Licensed) 3 2007
2009 Mar 11
1
Reshape question.
This hopefully is trivial. I am trying to reshape the data using the reshape package. First I read in the data: a2009 <- read.csv("Total2009.dat", header = TRUE) Then I trim it so that it only contains the columns that I have interested in: m2009 <- melt(a2009, id.var=c("DayOfYear","Category","SubCategory","Sku"),
2008 Jul 15
4
Iterations
I have a command that reads in some data: x <- read.csv("Sales2007.dat", header=TRUE) Then I try to organize the data: sc <- split(x, list(x$Category, x$SubCategory), drop=TRUE) Then I want to iterate through the data. I was able to get the following to run on the R console: for(i in 1:length(sc)) { sum(sc[[i]]$Quantity) } But notiing is primted on the console. I find
2008 Aug 09
1
Reshape set operations?
I have mange to use the library reshape to give me data structures that I want. Specifically: m2008 <- melt(t2008, id.var=c("DayOfYear","Category","SubCategory","Sku"), measure.var=c("Quantity")) m2007 <- melt(t2007, id.var=c("DayOfYear","Category","SubCategory","Sku"),
2006 Apr 15
8
Inheritance in Rails - I need some help
I''ve got a model, "category" and another model "subcategory." Each subcategory belongs_to a category, and a category has_many subcategories. What I need to do is set it up so that I can search Category and Subcategory with one .find call. So: Category.find(:all, <etc) will find categories and subcategories. Now, I believe this can be done by making
2006 Jul 23
3
Newbie: Display hierarchical Records in a view
Hi, I have two models: category and subcategory. (one to many relationship), and a controller ''home'' I''d like to display all the categories and their sub categories in the view: home\index.rhtml. I have a method in the ''home'' controller'' like this: def list_categories @categories = Category.find(:all) end This list all the categories
2006 Mar 30
5
Heeelp - no idea what''s going wrong.
I''m working on a simple CMS. The main data type are "listings" a listing habtm (has_and_belongs_to_many) categories and subcategories. Subcategories belong_to categories. Subcategories are basically the same as categories, but they are treated differently in a few situations. The problem is, I can''t seem to write the view/controller/model code that allows me to
2008 Apr 01
1
Navigation Problems
Hi, I am having problems with my page. I have a banner and navigation bar in controller_name.rhtml in app/views/layout. Can someone please help? Thanks In the navigation bar, I have the following links: Category1 Sub-Category1 Sub-Category2 Sub-Category3 Sub-Category4 Sub-Category5 Sub-Category6 In the main content, I have the following links: Sub-Category1 edit delete
2006 May 07
2
Category and subcategories in database
I have a project I''m trying to decide if I want to use rails for. I''m new to rails, so I''m not sure how easy it would be to implement something like this using ActiveRecord. Here''s the situation: Category > subcategory > subcategory > product Category > subcategory > product Some categories will have many subcategories, others few. I want
2007 Jul 08
1
generating a data frame with a subset from another data frame
R gurus, I have a data set that looks something like this: Site Species DBH #Vines G PLOC 45.9 4 G ACNE 23.3 1 G ACNE 12.0 0 G FRAM 35.9 5 G AEGL 11.2 2 N PLOC 77.3 12 N JUNI 78.6 7 N ACNE 18.9 1 N ACNE 15.7 3 N ACRU 35.5 4 H ACSA2 24.1 6 H ULAM 35.2 7 There are 730 individual trees (22 species) from four sites in the actual data set. I would like to create a second data frame that
2006 Apr 07
13
Pop up menus - any ideas?
I''ve got a menu in which I have all of my categories as links. Each category also has subcategories. I want to set it up so when you mouse over the category the subcategories will pop up (to the right of the main list, but that''s just CSS). This is what I have so far: <% for category in @categories %> <a href="#"
2006 May 23
7
has_and_belongs_to_many question
Hello, I am trying to make the "switchover" to programming my apps in Rails and have a question about database structure. In the past i would structure a many to many like this: categories ---------------------------------------------------- | id | name | ---------------------------------------------------- 1 Some Category 2 Another
2008 Dec 25
5
One question about Dynamic Select Menus
Hi all, Merry X''mas first :-) I have "Product","Category","Subcategory" 3 Model, and when new "Product", I want to use "Dynamic Select Menus" just like Ryan mentioned in http://railscasts.com/episodes/88-dynamic-select-menus I have everything down. But when I visit the js file, I got following error Showing
2009 Oct 15
10
AJAX - how to have multiple select form sets implemented?
hi, there :) Consider a blogging application whereby a user is trying to add a new blog. He/she has to select a category. Upon selecting a category from a drop down box, a new sub categories drop down box will be created (hence an AJAX call). Got this implemented and it''s ok. Now, let''s assume that a given blog can have multiple categories (and subcategories). For example, a
2006 Apr 11
2
Finding items from two models - then merging them
I have a model, listings. Listings habtm categories and subcategories, which are seperate models. What I want to do is search categories for certain items, like so: @categories = Category.find(:all, :conditions => ["name LIKE ?", "#%{:search_string}%" and subcategories for the same: @subcategories = Subcategory.find(:all, :conditions => ["name LIKE ?",
2006 Mar 31
7
Checkboxes expand to show new options when checked?
I''m writing a simple CMS where every item ("listing") HABTM categories and subcategories (which themselves belong_to a category). What I''m trying to do now is create a UI effect for listing creation: when you go to create a listing, only the possible categories will be shown, but when you select a category a set of new categories will be displayed like so: Lions
2012 Apr 01
1
indexing in a function doesn't work?
Hello, I've written a small function that's supposed to save me some time, and it's ending up killing it- the intention is to iteratively subset a dataset fram on framevec, fit a model (either lm or nls depending on type) and return the r2 or AIC from the model, respectively. Although as far as I can tell in my code the plots are dependent on the fit of the model to the data and the
2006 Aug 06
1
Newbie: populate 2nd dropdown list based on user''s selection in 1st dropdown list
Hi, I am creating a form that a user can post a message based on his selection on category and subcategory. (A category has many subcategories.) How do I dynamically populate subcategory dropdown list when user chooses a category from category dropdown list? Thanks in advance. -- Best regards, Ming Ma
2008 Jul 06
1
What is my replication unit? Lmer for binary longitudinal data with blocks and two treaments.
First I would like to say thank you for taking the time to read it.Here is my problem. I am running a lmer analysis for binary longitudinal (repeated measures) data. Basically, I manipulated fruits and vegetation to two levels each(present and absent) and I am trying to access how these factors affect mice foraging behavior. The design consist of 12 plots, divided in 3 blocks. So each block