search for: trading

Displaying 20 results from an estimated 2669 matches for "trading".

2011 May 23
1
MLDownloader 7.1 fails to download data from yahoo
...--version wine-1.3.19 lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 10.04.2 LTS Release: 10.04 Codename: lucid I used crossover to create a Win XP bottle and installed IE7 and then MLDownloader. There is a 15 day trial version available here: http://www.trading-tools.com/downloads/mldownloader.zip When functioning correctly, MLDownloader connects to its own servers to update lists of stocks, then uses Yahoo, etc. to update chosen stock price data. Running under Windows 7 MLDownloader works perfectly well. I saw this same problem with crossover on my Ma...
2010 May 27
1
switch function
Dear group, Here is my df : trades <- structure(list(Trade.Status = c("DEL", "INS", "INS"), Instrument.Long.Name = c("SUGAR NO.11", "CORN", "CORN"), Delivery.Prompt.Date = c("Jul/10", "Jul/10", "Jul/10"), Buy.Sell..Cleared. = c("Sell", "Buy", "Buy"), Volume = c(1L, 2L, 1L),
2008 Jun 11
1
Resourse route in namespace with prefix error
Ok so I have this route map.namespace :trades do |trades| trades.resources :buys, :path_prefix => ''/trades/:contract_id'' end I want the contract_id variable to filter a list of buys then I try to open this route http://localhost:3000/trades/1/buys I get a strange error: ActionController::RoutingError in Trades/buys#index Showing trades/buys/index.html.erb where line
2008 Mar 22
1
Geting names of variables
I wanted to create a list with the names of variables and their values. So I wrote the following function. add.to.list.names.vars.1 <- function(lnv, vnv) { i <- 1 while (i < length(vnv)) { z <- as.character(eval(substitute(quote(vnv[i+1])))[[2]][[i + 2]]) lnv[[vnv[i]]] <- list(Name = z, Value = vnv[i+1]) i <- i + 2 } lnv } It works, but it is very
2010 May 26
1
data frame manipulation change elements meeting criteria
Dear group, Here is my df : trade <- structure(list(Trade.Status = c("DEL", "INS", "INS"), Instrument.Long.Name = c("SUGAR NO.11", "CORN", "CORN"), Delivery.Prompt.Date = c("Jul/10", "Jul/10", "Jul/10"), Buy.Sell..Cleared. = c("Sell", "Buy", "Buy"), Volume = c(1L, 2L,
2012 Feb 14
2
R CMD SHLIB in Windows XP - No output at all
Hello all, I'm trying hard to make R CMD SHLIB work on Windows XP (32-bit) - please note that I don't have the admin rights on the computer. In terms of setup, I have followed the procedure : => installed Rtools 2.14 => changed my path : PATH=C:\Trading\R\RTools\bin;C:\Trading\R\RTools\MinGW\bin;C:\Trading\R\R-2.14.1\bin\i386;C:\WINDOWS\system32;%OTHER_PATHS% But when I try R CMD SHLIB *.* I have litterally nothing, no output at all. (and R CMD INSTALL debug tells me, of course that the operation failed while calling R CMD SHLIB) I tried the comm...
2011 Jan 29
1
Basic Help with Zoo objects and trading days
All, I have been just recently working with zoo objects for trading systems. Can someone please help with these basic questions? Given a daily time series downloaded using get.hist.quote() from the tseries package, ie...... startDate= as.Date("2000-01-01") endDate= as.Date("2011-01-29") frequency= 'd' s= get.hist.quote('IWF'...
2011 Jul 22
2
Picking returns from particular days of the month from a zoo object
Hello, I would like to implement a "turn-of-the-month' trading strategy in R. Given a daily series of stock market return data as a zoo object, the strategy would go long (buy) four trading days before the end of the month, and sell the third trading day of the following month. How can I select these days, particularly the fourth day before and the third...
2012 Nov 09
0
Chicago Based Trading Group Seeking Development Clerk
*Job Title: Trading Development Clerk Job Description: Assist development team with backtesting, debugging, creating, and deploying automated trading strategies. Clerk will work under a lead developer and several traders to provide support to traders in real time execution, in addition to the development staff with s...
2011 Sep 08
4
In Rails 3.1 Model.count() ignores :include - no outer join in generated SQL
Hello! At first I posted this in rubyonrails-talk, but no one there was able to tell me if this is a bug or not (I got only suggestion for workaround). As this looks like 3.1 regression that breaks existing 3.0.10 code I decided to post this here in addition. I''ve upgraded to Rails 3.1 (from 3.0.10), ran my test suite and found this issue: class Trade < ActiveRecord::Base
2010 May 01
1
select subset of data according to date range
Dear R lists, Would anyone help me with setting data frames according to the date? X.RIC Date.G. Time.G. GMT.Offset Type Price Volume Time 1 QAN.AX 01-DEC-2008 00:00:28.611 11 Trade 2.28 105 2008-12-01 11:00:28.611 2 QAN.AX 01-DEC-2008 00:00:43.155 11 Trade 2.28 250 2008-12-01 11:00:43.155 3 QAN.AX 01-DEC-2008 00:01:06.677 11
2011 Sep 05
8
In Rails 3.1 Model.count() ignores :include - no outer join in generated SQL
Hello! Just upgraded to Rails 3.1, ran my test and found this issue: class Trade < ActiveRecord::Base has_many :transaction_trades ..... def Trade.do_something stale_trades = Trade.count(''transaction_trades.id'', :include => :transaction_trades, :group => ''trades.id'')
2012 Feb 01
1
ggplot2(0.9.0): could not find function "=="
Hi, I have a question related to the newest version of ggplot2 (0.9.0). I just updated this morning and from CRAN it looks like the Mac version is the only one at 0.9.0 as of right now. http://cran.r-project.org/web/packages/ggplot2/index.html Anyway, I was in the midst of a project where I was trying to replicate "Back-to-back Bar Charts" in this blog post.
2005 May 08
1
"validation" on destroy
I''m building a little application with Rails, and I''m becoming a huge fan of the validations in ActiveRecord. Recently, though I ran into a problem which to me feels like a job for Validations, but I can''t see a way to use them. My model consits of a Trade object, which represents either buying or selling some security. I need to require that at no point has a user
2008 Nov 09
2
please recommend statistics, time series and econometrics books with finance, macroeconomics, trading and business applications
Hi all, Please recommend good books for the following three categories. (I am aim at finance, macroeconomics, trading and business applications). (1) statistical (financial) data analysis; (2) time series; (3) econometrics. More specifically, I am looking for the following two types of books: (1) Books that provide big pictures and intuitions and books that connect dots... For example, there are lots of statis...
2010 Nov 07
1
High Frequency Trading
Hi R users,   Thanks in advance.   I am using R 2.12.0 on Windows XP.   My objective is to construct algorithms for High Frequency Trading.   May I request you to provide me information such as packages or tools please.   Thank you very much for the time you have given.   Regards,   Deb   [[alternative HTML version deleted]]
2009 Nov 11
3
Trading Google Wave invites for host!
Trading up to 10 google wave invites for a fast, powerful Rails host that provides me with a top level domain: ie: webwebwebwebweb.com or wwwww.com Or similar offers. Send me an email or post here. -- Posted via http://www.ruby-forum.com/.
2015 Apr 15
2
Samba 4.2 Account Lockout logging
...ource address of any authentication failures, be they with Kerberos or native LDAP? Thanks, -- Luke Bigum --- LMAX Exchange, Yellow Building, 1A Nicholas Road, London W11 4AN http://www.LMAX.com/ --- #1 Fastest Growing Tech Company in UK - Sunday Times Tech Track 100 (2014) Awards 2015 Best FX Trading Venue - ECN/MTF - WSL Institutional Trading Awards 2014 Best Margin Sector Platform - Profit & Loss Readers' Choice Awards 2014 Best FX Trading Venue - ECN/MTF - WSL Institutional Trading Awards 2014 Best Infrastructure/Technology Initiative - WSL Institutional Trading Awards 2013 #15 Faste...
2011 Jul 29
0
Noble is looking for a Market Risk Manager/Analyst for its London Office, prefer Candidates who have R programming skills
...ver 11,000 employees include 68 nationalities. Group Role This is a position relating to UK & European Gas and Power, Coal, Emissions and LNG and is based in the company's London office. The Risk & Middle Office group, within which the employee would work, is responsible for overseeing trading activity, implementing metrics that quantify related performance and risk and reporting relevant statistics and analysis to Trading, various Control groups and Management. It is also responsible for analyzing, evaluating and approving structured transactions conceived by Origination. Individual R...
2015 Mar 09
1
password lockout policy issue after update to 4.2
Hello, Quick observation after recently updating all DC's to 4.2.0 from 4.1.17. Several users received the notice "account is currently locked out" after entering their password once. I updated the policy to a minimum of 3 attempts before any user logged in initially. I opened Microsoft ADUC tool and clicked the box to unlock their account. This resulted in the user receiving