 | | | rhelp | | I 've searched for the answer to this in the help list archive but wasn 't
able to get the answer to work.
I 'm interested in converting a row of a data.frame into a vector.
However when I use as.vecI need to read two different random lines at a time from a large
ASCII file (120 x 296976) containing space delimited 0-1 entries.
The following code does the job and it 's reasonable fast for my neeHello R users
I have a dataset that has different types of records with different
dates and times pertaining to each. I would like to have a bar graph of
a count of the types(ie. The number of types)
Boxwood Means a financial services consultancy specializing in the
small balance mortgage sector and REIT analysis is seeking a Data
Analyst.
Boxwood maintains several large databases of real eHello
I have been trying to build a package for R to use on windows. I have
been able to build it with out problems except for one thing. I am
creating a zip file to be installed by the R gui.
I How can I get the value of the aspect ratio that is used in a lattice
plot? In a levelplot for instance the native units per cm of my x and
y axes are different and I need to know the aspect ratio On 5/15/07 Marc Schwartz <marc_schwartz@(protected) > wrote
> On Tue 2007-05-15 at 17 54 +0200 Paul Magdon wrote
> > Hello I 'm trying to create a barplot with a couple of stacked positive
> > valu
Basically i have 4 tests and 1 control.
For example.
Tester
Test1 Test2 Test3 Test4
20 25 15 10
30 45 10 15
.. .. .. .. I 'm using R2HTML package to generate reports but don 't know how to extract
R codes from .rnw files using "Stangle ". It seems "Stangle " only works on
..tex file that has R codes embedded.
Thanks
By the end of the day I will have a vignette completed for MiscPsycho.
This vignette lays out the mathematical details for the primary
functions in the package and provides substantive examples on howHi all
I want to develop a choice based questionnaire and I need to generate a set
of choice tasks
The design is comprised of four attributes (5*3*3*3) with the following
5 price
3 brand
3 Hi
I 'm working out d ' and therefore I 'd like to aggregate two variables
at once (hits and false alarms). In the raw data frame is subject
stimulus_presence and response information. I aggreEstimado te agradeceria me envies el tutorial en espaniol para R. Estoy
dando mis primeros pasos con esta aplicacion.
Desde ya muchas gracias
Danilo Ceschin Ph.D
IGBMC
1 rue Laurent Fries
67404 ILLIf it 's a matrix use scan(). If the columns are not all the same type
use the colClasses argument to read.table() to specify their types
instead of leaving it to R to guess. That will speed thingAnother thing to watch out for is that an argument to a function can be
an expression (or even literal constants) instead of just the name of
an object. exists() wouldn 't really do the right thing. Hello
I am trying to print the lm
coefficients using grid graphs (code below) and am getting all the coefficients
on top of each other.
My aim is to put them as legend
showing both coeffic
Thank you Guys.
Let say that from Test1 to control i have multiple data
Tester
Test1 Test2 Test3 Test4 Control
20 25 15 10 17
. . . . Hi Andy.
Thank you for the quick response! Unfortunately none of these are exactly
what I 'm looking for. I 'm looking for the following Suppose object y
exists and object z does not exist. IfNot sure which one you want but the following should cover it
R > f <- function(x) c(x missing(x) y exists( "y "))
R > f(1)
x y
FALSE FALSE
R > f()
x y
TRUE FALSE
R > y <- 1
R > f()
Hi
r-help-bounces@(protected) napsal dne 15.05.2007 16 39 20
>
> Hi
>
> I am very new to R. I am trying to perform an Anova Test and see if it
> differs or not.
>
> Basically i have 4 thello
I have an argument of a the list a like this
> a[[18]]
[1] "C744 (C627*C177)/100 "
and I wanna seperate the character and the mathematics symbol to use it like a formula
and why when I used Hi
If it was me I would have done this
- First reshape the data frame to get some thing like
header measure1 measure3 measure3 ....
1280001 2.47 1.48 2.23 ...
SDear R people
I do not have much knowledge about linear algebra but currently I need
to understand what the function qr.qty is actually doing. The
documentation states that it calculates t(Q) %*% I am using R to make two-way ANOVA on a number of variables using
g <- aov(var ~ fact1*fact2)
where var is a matrix containing the variables.
However the outcome seem to be dependent on the order ofHi
I 'm finding that readMM() cannot read a file written with writeMM().
Example
library(Matrix)
a Matrix(c(1 0 3 0 0 5) 10 10)
a as(a "CsparseMatrix ")
writeMM(a "kk.mm ")
b readMM( "kk.m
Vladimir Eremeev wrote
>
> Dear R experts
>
> I have a Matlab code which I am translating to R in order to examine and
> enhance it.
> First of all I need to reproduce in R the results which w
Vladimir Eremeev wrote
>
> Dear R experts
>
> I have a Matlab code which I am translating to R in order to examine and
> enhance it.
> First of all I need to reproduce in R the results which w
Dear R experts
I have a Matlab code which I am translating to R in order to examine and
enhance it.
First of all I need to reproduce in R the results which were already
obtained in Matlab (to makehello
can you help me I need to seperate words and symbol in a mathematics formula as follow
C744 (C627*C177)/100
How could I do please?
Dear all
I would like to know if there is any R package that uses a sliding window approach to assess statistical significance out of my data. My data is composed of DNA sequences (of variable leng |
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