Displaying 7 results from an estimated 7 matches for "attiglah".
2009 Jan 28
1
R compilation
...de that needs to go to production but my portfolio managers do not use R language and the software is not supported by my bank.
Is there any way I can compile the code to an executable file and make it usable to my portfolio managers who have no knowledge at all of R?
Thanks
Mama
-----
Mama Attiglah, PhD
Quantitative Strategist
Liability Driven Investment
State Street Global Advisors
25 Bank Street, London E14 5NU
+44(0)20 7698 6290 (Direct Line)
+44 (0)207 004 2968 (Direct Fax)
Authorised and regulated by the Financial Services Authority.
State Street Global Advisors Limited, a company re...
2008 Jan 29
1
Compiling R code
...each block of the code needs to be carefully
evaluated.
I researched about the RCC project aiming to do the job but it seems to
me that the compiler is not yet available.
Is anyone experienced in compiling R code to an exec file or had a
similar experience in the past?
Thanks
Mama
-----
Mama Attiglah, PhD
Advanced Research Center
Quantitative Research Analyst
State Street Bank
+44(0)20 7698 6290 (Direct Line)
+44 (0)207 004 2968 (Direct Fax)
Please visit our Web site at
www.ssga.com
[[alternative HTML version deleted]]
2008 Jan 30
1
re stricting points in a data frame
useR's,
Consider some variables and a data frame of points:
x1 <- c(1,2,3)
x2 <- c(3,4,5)
xk1 <- seq(min(x1)-.5, max(x1)+.5,.5)
xk2 <- seq(min(x2)-.5, max(x2)+.5,.5)
expand.grid(xk1=xk1,xk2=xk2)
xk1 xk2
1 0.5 2.5
2 1.0 2.5
3 1.5 2.5
4 2.0 2.5
5 2.5 2.5
6 3.0 2.5
7 3.5 2.5
...
46 2.0 5.5
47 2.5 5.5
48 3.0 5.5
49 3.5 5.5
I want to restrict the data frame to only contain
2008 Jan 30
4
Multiplying each row of a big matrix with a vector
I have a big matrix 'ret'. I want to multiply each row of it with a 2nd vector 'pos', resulting result, I want to save in a vector named 'port'. I wrote following code:
> pos
[1] 2593419 2130220 6198197 1673888 1980000 1784732 2052120 -7490228 -5275000
> dim(ret)
[1] 500 9
> fu # user defined function
function(x)
{
fu = x %*%
2008 Jan 29
3
How to get two y-axises in a bar plot?
Hi,
I have measured two response variables (y1, y2) at each treatment level
(x = 0, 1.5 or 3). Now I would like to show the y1 and y2 against x in a
bar plot. However, y1 and y2 differ in scale so I need two y-axises, one
on the left side and one on the right side (and I dont want to
standardize my responses). This is fairly easy if you want to show
points,lines etc, but gets more complicated
2008 Jan 29
5
pivot table in R
Hello,
I'm struggling with an elementary problem with R. I have a simple data
frame such as this one giving the number of accidents subdivided by sex,
age and region.
sex age region no_of_accidents
F young north 10
F young south 12
F old north 5
F old south 7
M young north 24
M
2009 Jan 28
2
t.test in a loop
Hi All,
I've been having a little trouble with creating a loop that will run a a
series of t.tests for inspection,
Below is the code i've tried, and some checks i've looked at.
I've used the get(paste()) idea as i was told previously that the use of the
eval should try and be avoided.
I've run a single syntax to check that my systax is correct and works
without any problems