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Dear R-helpers, In the following example I compute ret and returns the SAME way. In ret I use compute returns for EACH column and in returns I do it for the whole data frame. Could someone please tell me why I see a lagged result,by which I mean ret and returns are different by one lag. getSymbols("GOOG",src="yahoo") ret<-apply(GOOG,2,function(x) diff(log(x)) / lag(x,1) )

I have a data.frame named "df". The dput of df is at the bottom of this e-mail. What I'd like to do is replace the "n/a " values with NA. On Mac OSX, it works to do this: df[df == "n/a"] <- NA However, it does not work on Ubuntu. See below. Thanks in advance, Garrett > x <- df[27, 4] # complete data.frame dput is below > dput(x) "n/a?"

Hi group, I am trying to convert the organization of a data frame so I can do some correlations between stocks, I have something like this: stock.returns <- data.frame(rbind(c("MSFT","20110301",0.05),c("MSFT","20110302",0.01),c("GOOG","20110301",-0.01),c("GOOG","20110302",0.04))) colnames(stock.returns) <-

Hi all I have installed quantmod package but when I try to obtain GOOG data appers this message: Can anyone inform why itappears? I type getSymbols("GOOG",src="google") Thanks and Best Regards for all Error en download.file(paste(google.URL, "q=", Symbols.name, "&startdate=", : no fue posible abrir la URL '

Hey guys, i want to calculate the continuasly compounded returns for stock prices. Formula for CCR: R_t = ln(P_t/P_{t-1})*100 With R: First i have to modify the vectors, so that they have the same length and we start at the second observation. log(GOOG1[-1]/GOOG1[1:length(GOOG1)-1])*100 That does work with normal vectors. My Questions: 1) I want to use this for stock prices. so i

Hi All! I am interested in testing whether the means for the data I am investigating are equal to a specific value - let's say 0.01. I have already run a one-way ANOVA and know that the differences in the means are not significant, so now I want to know what values the means take on. "otestme" is the data I am working with (it would be hard for me to get into a form that would be

Just an attempt to avoid overflows with an explicit check, I don't know if there's a better way to identify corrupt input here. James Zern (2): op_pcm_seek: fix int64 overflow op_fetch_and_process_page: fix int64 overflow src/opusfile.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) -- 2.15.0.448.gf294e3d99a-goog

On Apr 2, 2008, at 4:47 PM, David Greene wrote: >> I think these requirements are not specific for my allocator only, >> but >> are important for checking any register allocator. May be someone >> (Fernando? David? Evan?) who was working on register allocators has >> found a good set of examples covering some of the topics? Or may be >> someone knows good

On Apr 2, 2008, at 9:58 PM, Chris Lattner wrote: > > Could these be added to llvm-test? > > -Chris I just added the two C benchmarks as MultiSource/Benchmarks/NPB-serial. --Owen -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 2555 bytes Desc: not available URL:

From: David Riley <davidriley at chromium.org> virtio_gpu_get_caps_ioctl could return success with invalid data if a second caller to the function occurred after the entry was created in virtio_gpu_cmd_get_capset but prior to the virtio_gpu_cmd_capset_cb callback being called. This could leak contents of memory as well since the caps_cache allocation is done without zeroing.

Hi, I can't seem to figure out how to tell R to stop expanding an object. I would like to use the literal name rather than the expanded value. The issue occurs in a function I've been writing. The problematic part looks like this: # "fund" is a matrix of open, high, low, close, and volume prices returns <- function(fund) { p_12ago = as.vector(fund[nrow(fund)-252,6])

On Wednesday 02 April 2008 03:06, Roman Levenstein wrote: > Hi, > > As I mentioned some time ago on the mailing list, I'm working on the > implementation of the Sarkar's Extended Linear Scan algorithm for LLVM. Cool! > For testing and debugging of this algorithm, I need some good > test-cases that check different functionalities of the register > allocator, e.g.:

Dear R helpers, I have two input files as 'quantity.csv' and 'equity_price.csv' as (for example) given below. 'quantity.csv' GOOG     YHOO 1000         100 'equity_price.csv' sr_no   GOOG_price           YHOO_price 1            15.22                 536.40 2            15.07                 532.97 3            15.19                 534.05  4           

New clangs emit some warnings. The code isn't wrong, but should be updated to prevent warning creep. Bill Wendling (3): [klibc] dash: shell: Fix clang warnings [klibc] dash: shell: Fix clang warnings about format string [klibc] Kbuild: use an enum to silence a clang warning usr/dash/eval.c | 6 +++--- usr/dash/jobs.c | 2 +- usr/kinit/nfsmount/dummypmap.c

Include sys/types.h to avoid compilation warnings: In file included from $LINUX/usr/include/linux/byteorder/little_endian.h:12:0, from $LINUX/usr/include/asm/byteorder.h:5, from $KLIBC/usr/klibc/../include/klibc/endian.h:11, from $KLIBC/usr/klibc/../include/endian.h:8, from $KLIBC/usr/klibc/pread.c:7:

Hi, As I mentioned some time ago on the mailing list, I'm working on the implementation of the Sarkar's Extended Linear Scan algorithm for LLVM. For testing and debugging of this algorithm, I need some good test-cases that check different functionalities of the register allocator, e.g.: - test-cases involving a lot of spilling - test-cases using pre-colored registers, e.g. like the EAX

Please, Where can I find a list of repositories all over internet.. I want to keep my CentOS servers up 2 date with mailscanner, clamAV, syslog-ng, and others... I know dag has a very goog one but there are some paktes I can not find in dag repository like mailscanner, syslog-ng, among others... Sorry if it's offtopic but I need it! Thanks in advance Regards, israel

|frame_size_enum| in tests/test_opus_encode.cl:117 is flagged as potentially uninitialized but get_frame_size_enum() will fail anyway if a valid value is not found. --- tests/test_opus_common.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tests/test_opus_common.h b/tests/test_opus_common.h index ff7f0142..8b878607 100644 --- a/tests/test_opus_common.h +++ b/tests/test_opus_common.h @@

This is a series of patches for clang compatibility: - Using flags needed flags and removing unsupported flags. - Adding support for clang's LLD linker. - Removing a variety of warnings. Bill Wendling (3): [klibc] Kbuild: use "libc.a" with clang [klibc] Kbuild: Add "-fcommon" for clang builds [klibc] Clean up clang warnings Michael Davidson (1): [klibc] Kbuild:

Similar to commit 0bf8bf50eddc ("module: Remove const attribute from alias for MODULE_DEVICE_TABLE") Fixes many -Wduplicate-decl-specifier warnings due to the combination of const typeof() of already const variables. Signed-off-by: Nick Desaulniers <ndesaulniers at google.com> --- drivers/gpu/drm/nouveau/include/nvif/object.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)