Displaying 8 results from an estimated 8 matches for "rtaq".
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2012 May 20
1
Problem in convert function in RTAQ package
Hi All,
I am using convert() function in RTAQ package to convert the text file into
xts object.The code I am using is shown below:
convert(from="2010-07-01",to="2010-07-01",datasource="C:\\TAQdata",datadestination="C:\\datadestination",trades=T,quotes=F,ticker="SUBX",dir=F)
The problem is tha...
2012 Oct 12
1
RTAQ - convert function: warning causes incorrect loading of data
Hello,
I am closely following the RTAQ documentation in order to load my dataset
into R, however I get this warning when running the convert function in the
following way:
convert(from="2010-11-01", to="2010-11-01",datasource=datasource,
datadestination=datadestination,trades=T,quotes=T,ticker="BAC",dir=T,...
2012 May 08
2
Dividing tick-data into intervalls
...11-01 08:10:00 -0.017033339
2011-11-01 08:15:00 0.000690001
2011-11-01 08:20:00 0.000000000
2011-11-01 08:25:00 0.000658411
2011-11-01 08:30:00 0.002166062
And so on for the 100 days. And the I want to do this for ten minutes, 30 minutes etc.
Earlier I have tried with aggregatePrice() (in the RTAQ package) combined with a for() loop. However this didnt work so well.
I assume it exist some easy way to do this? However, as I said, I have searched for a solution without any luck.
So, what approach should I have? Have any of you done something like this before?
Thanks in advance Reply...
2011 Oct 05
2
AsOf join in R
Hi,
I tried to google for any solution for asof join operator in R. But I
couldn't find one. The asof join operator AsOf(A,B) merges 2 time
series by looking for latest available value of B prior to each time
point in A. For example,
A <- xts(c(10,15,20,25),
order.by=as.POSIXct(c("2011-09-01","2011-09-09","2011-09-10","2011-09-15"))
B <-
2012 Jul 19
1
Change log(J) to log(J+1) to stop log(0) from occurring in harModel
I think the code is part of the RTAQ package but is not included in it, as I
obtained it from
https://r-forge.r-project.org/scm/viewvc.php/pkg/RTAQ/R/HAR_model.R?view=markup&root=blotter&sortby=author&pathrev=1028.
It is not my code and I make no claim to other's good work, and apologize if
I should even be posting i...
2012 Apr 20
0
Select interval of time series object by date and time
Hello,
florian wrote
>
> Hy,
>
> I want to select an interval of a time series (containing intraday data)
> by the data and a certain time frame (e.g. 9 AM to 10 AM). However, I do
> not know how to specify the time during the day:
>
> #load data
> library(RTAQ)
> data("sample_tdata")
> data=sample_tdata
> return=makeReturns(data$PRICE)
>
> #I would like to use some command like this to get only the data between 9
> and 10
> window(return,start=as.Date("2008-01-04"),end=as.Date("2008-01-04"))
>
>...
2010 Mar 12
0
R/Finance 2010
...h R)
Saturday, April 17th, 2010
------
Josh Buckner/Mark Seligman: GPU computing with the gputools package
Saptarshi Guha: R and Hadoop Integrated Processing Environment
Stefan Theussl: Distributed Text Mining with tm
*Bernhard Pfaff: Risk Modeling with R
Lightning talks:
Jonathan Cornelissen: RTAQ: Tools for Analysis of Trades and Quotes
Robert Grossman: Computing in the Cloud
Nicolas Christou/David Diez: Statistical Finance for Investors
Unfamiliar with Quantitative Methods
Maria Belianina: Data Management Challenges for Quantitative Research
*Marc Wildi: Adapting the MDFA to 'Fina...
2012 Mar 11
1
CRAN (and crantastic) updates this week
CRAN (and crantastic) updates this week
New packages
------------
* EffectStars (1.0)
Maintainer: Unknown
Author(s): Gunther Schauberger
License: GPL-2
http://crantastic.org/packages/EffectStars
The package provides functions to visualize regression models with
categorical response. The effects of the covariates are plotted with
star plots in order to allow for an optical