similar to: Searching over multiple MySQL tables

Hi everyone, I'm happy to announce that I've implemented a Block I/O bandwidth controller. The controller is designed to be of use in a cgroup or virtual machine environment. The current approach is that the controller is implemented as a device-mapper driver. What's dm-band all about? ======================== Dm-band is an I/O bandwidth controller implemented as a device-mapper

Hi everyone, I'm happy to announce that I've implemented a Block I/O bandwidth controller. The controller is designed to be of use in a cgroup or virtual machine environment. The current approach is that the controller is implemented as a device-mapper driver. What's dm-band all about? ======================== Dm-band is an I/O bandwidth controller implemented as a device-mapper

Shuji, I suspect that bruto blows up because your data are linearly separable. To see this (if you didn't already know), try library(lattice) splom(~x, groups = y) and look at the first row. If you are trying to do classification, there are a few methods that would choke on this (logistic regression) and a few that won't (trees, svms etc). I would guess that bruto is in the latter

Dear R developers, I was looking for a function analogous to base::diag() for getting and setting bands of a matrix. The closest I could find was Matrix::band(), but this was not exactly what I wanted for two reasons. Firstly, Matrix::band() returns a matrix rather than just the specified band. Secondly, Matrix::band() cannot be used for setting the values for a matrix band. Setting or

I am attempting to classify pixels from a Landsat image by using their associated numbers in bands 2, 3, and 4 (It's from an assignment on classification). To aid me, I want to create a 3-D scatterplot using the "cloud" command. Due to my ignorance of the finer plotting functions, I am unable to display the scale on the three axes or to display the grid. My dataframe (RS)

I''ve had a number of occasions now where I want to find something in my model that is not on the primary object. For instance I''ve got a class Alert that has_one Status. Status has a "label". I want to find all of my Alert objects and order the results alphabetically by status label. Can I do that without going into SQL? Right now I find myself doing an

If I am changing a boolean value, no matter what approach I take, I get the same results: lets say table "users" has an "enabled" field that is boolean: user = User.find(1) user.enabled.toggle NoMethodError: undefined method `toggle'' for false:FalseClass user = User.find(1) toggle(user.enabled) NoMethodError: undefined method `toggle'' for

I am using helper the RESTfully generated helper methods in my views. My routes are nested so the helpers appear to need arguments passed to them, but it works without arguments. Say for example I have pages and comments. If I do page_comments_path without parameters, it works. However, when I run the rspec test, it fails and tells me i''m missing parameters. I tried to pass

Hi everyone. I have a DF with the first column being my independant variable and all other columns the dependent variables. Something like: x y1 y2 y3 ... ... ... ... ... ... ... ... What I'm trying to do is to perform a linear model for each of my "y". It is pretty simple with loops, but I'm trying to vectorize it using *apply*. For instance, I tried something like:

I am not new to R, but I am new to .grib files. I am downloading some climate data and I would like to analyze it in R. R has a nice netcdf package, but I don?t see any package available to deal specifically with grib files. I see a few posts from other people using grib files in R. However, I was unclear if they used grib files in a different software program and then imported the data

I don't understand this message: [2009-10-29 16:31:51] WARNING[28510]: rtp.c:1997 ast_rtp_settos: Unable to set TOS to 184

Dear All   I trained a neural network for 200 data and I did prediction for a grid file (e.g. 1000000 points) such as below:   snn<-predict(nn, newdata=data.frame(wetness=wetnessgrid$band1, ndvi=ndvigrid$band1))   the pixels of snn is same with wetnessgrid or ndvigrid    I want to convert this file (snn) to a map that I can open it in GIS software.     Thanks alot     [[alternative HTML

Hopefully the subject is clear enough. Let''s say I''ve got two tables: create_table :bands do | b | b.column :name, :string end create_table :concerts do | c | c.column :where, :string c.column :when, :date c.column :band_id, :integer end and the models: class Band <<ActiveRecord::Base has_many :concerts end class Concert << ActiveRecord::Base

Hi, all, according to the following HTML, http://lartc.org/howto/lartc.qdisc.classful.html section 9.5.3.1. PRIO parameters & usage: it says: "If you do not provide tc filters to classify traffic, the PRIO qdisc looks at the TC_PRIO priority to decide how to enqueue traffic." So my understanding is that the Priomap will be consulted to classify the packet. However, I see the