similar to: Quantitative Analyst/Quantitative Developer

r-devel, I've been trying to write a C plugin for R, and I'm struggling to understand how dates are represented. I can create a date in R: > mydate<-as.Date(1, origin="1900-01-01") mydate [1] "1900-01-02" When I pass my date to a plugin, though, it's type is that of a real. There doesn't seem to be a date type in Rinternals.h, is there a way to

Stevens Capital Management LP ("SCM") is a registered investment adviser with more than sixty employees that manages a multi-billion dollar hedge fund that has been in business for 20+ years. SCM specializes in the rigorous development and disciplined implementation of empirically based quantitative trading strategies. Our highly productive team works in a fast-paced collegial

Job Description: Stevens Capital Management LP ("SCM") is a registered investment adviser that manages a multi-billion dollar hedge fund that has been in business for 20+ years. SCM specializes in the rigorous development and disciplined implementation of empirically based quantitative trading strategies. Our highly productive team works in a fast-paced collegial environment,

Stevens Capital Management LP ("SCM") is a registered investment adviser that manages a multi-billion dollar hedge fund that has been in business for 20+ years. SCM specializes in the rigorous development and disciplined implementation of empirically based quantitative trading strategies. Our highly productive team works in a fast-paced collegial environment, utilizing extensive data

Trey, The Compaq NC7770 PCI-X Gigabit Server Adapter supports PXE: http://www.compaq.com/products/servers/networking/NC7770/ This NIC will be available next month. Also, our strategy is to support PXE on all ProLiant server embedded NICs (10/100/1000) beginning with G2 (generation2) models. Also, most existing DL and all BL servers currently support PXE on their embedded (10/100) NICs. Let

Quantitative Research Analyst Description Boxwood Means Inc., a quantitative research firm that specializes in real estate automated valuation modeling and evaluation, risk analysis, and debt/equity portfolio management, and market analysis is seeking a Quantitative Analyst. The candidate will work closely with the firm's Principals to develop and maintain quantitative models to

We are currently in the process of developing and expanding our quantitative analytics function. Led by commitment from the Head of Global Markets and senior management across all asset classes, the function was centralised in June with the view that the quantitative analytics platform should be omnipresent and part of the decision making process throughout the bank. As a result the focus and

Hello - Here's what I'm trying to do. I want to fit a time series y with ARMA(1,1) + GARCH(1,1), there are also an exogeneous variable x which I wish to include, so the whole equation looks like: y_t - \phi y_{t-1} = \sigma_t \epsilon_t + \theta \sigma_{t-1} \epsilon_{t-1} + c x_t where \epsilon_t are i.i.d. random variables \sigma_t^2 = omega + \alpha \sigma_{t-1}^2 + \beta

Quantitative Research Analyst (New York, NY) Description The Millburn Corporation, a money management firm in the alternative investment business, is seeking a Quantitative Research Analyst to work in our New York City office. The firm trades financial and commodity futures and currency forwards using systematic trading methodologies. The candidate will work within the research group, which is

Senior Quantitative Research Analyst Based in Irish Life Investment Managers, Lower Beresford Place, Dublin 1 Irish Life Investment Managers (ILIM), the investment management company within the Irish Life & Permanent Group manages assets of circa EUR30bn and provides fund management services to a large domestic and multi-national client base. We provide investment products to both

A quantitative hedge fund within Lazard Asset Management in New York City is looking for a talented programmer/statistician to join a small team of researchers and portfolio managers. The job would intersect the fields of finance, applied statistics and computer science. The position involves applying intelligent design and development of r programs to accelerate the speed of research. The

Seshu, Whats with people who work at Morgan Stanley? You on the one hand bash the opensource software, and then on the other hand a few weeks later, ask for assistance from the open source community for assistance??????????????????????????????????????????? Today, May 11, you request assistance in installing the Areski Calling Card platform, after posting a couple of weeks ago, April 20, this

Hi, I am studying using SVM functions of e1071 package to do prediction, and I found during the training data are "factor" type, then svm.predict() can predict data directly by categories; but if response variables are "numerical", the predicted value from svm will be continuous quantitative numbers, then how can I connect these quantitative numbers to categories? (for

Hi all, I want to conduct a cluster analysis with quantitative variables. More precisely, it concerns binary and non-ordered categorical variables. For such data, various similarity measures have been proposed, such as the Jaccard index or the simple matching index. So, is there a package such as mva or multiv in the case of quantitative variables? Could you indicate me reviews, papers or

i'm doing a bar plot and there are 16 column variables. is there a way to make the variable names go down instead of across when you do the barplot ? because the names are so long, the barplot just shows 3 names and leaves the rest out. if i could rotate the names 90 degrees, it would probably fit a lot more. or maybe i can use space to make the horizontal width longer ? I looed up ?barlot but

To start ztmonitor in quantitative mode you do the following. Assuming you are running Asterisk V1.0.9 you need to edit one line to ztmonitor.c in /usr/src/zaptel as per patch 2783 http://bugs.digium.com/bug_view_page.php?bug_id=0002783 Change line 261 fprintf(stderr, "Usage: ztmonitor <channel num> [-v] [-f FILE]\n"); to fprintf(stderr, "Usage: ztmonitor <channel

I have comma delimited asci data with each row being in the format : 2006-01-24 02:41:24.00011,1.22930000,5,1.22950000,7 . . . . and i'm trying to use read.zoo ( which is similar to read.table ) to read in the data. the data goes all the way out to milliseconds and i can't figure out what to put for the format field. if i put nothing, then read.zoo gets rid of the the whole time and

I did a ?do.call but i don't think i understand it. if a, b,c,d are numeric vectors then could someone explain the difference between do.call("cbind",list(a,b,c,d)) and cbind(a,b,c,d). or point to an archive on it. the return value of cbind is a matrix or dataframe depending on what is sent in but i don't understand wheen it would be useful to use do.call. i realize it

I have two numeric vectors each of length 17 and each is named the exact same way. so obsnum ppppp ppppm pppmp . dot dot dot...... temp1 is 1417 52 63 85 obsnum ppppp ppppm pppmp . dot dot dot...... temp2 is 1213 41 50 97 what i want to have is a resultant matrix with 2 rows and 16 columns where the 16

Dear Specialists in R, May be somebody has experiment in using pakage for the book Quantitative Risk Management by McNeil? This package is writen in R. I have run this package for fitting the data to Nornal Inverse Gaussian distribution and fased with following problem. > Return<-read.csv("data.csv") > Transpose<-t(Return) > fit.NH(Transpose, case="NIG",