letYourMoneyGrow.com – Serving Retail Investors | Site-Wide Activity https://letyourmoneygrow.com/activity/ Activity feed for the entire site. Mon, 02 Nov 2026 14:34:39 +0100 https://buddypress.org/?v= en-GB 30 hourly 2 5a3c45248a9cd85f84f3b4903de15160 letYourMoneyGrow.com started the topic Screen fractional Scaling in Ubuntu and Spyder start from Python in the forum Quantitative Methods and Programming https://letyourmoneygrow.com/forums/topic/screen-fractional-scaling-in-ubuntu-and-spyder-start-from-python/ Mon, 22 Nov 2021 06:44:24 +0100 The default GUI in Ubuntu20 allows to scale all screens but does not allow separate settings per monitor. To circumvent:
sudo apt-get install gdm3
sudo dpkg-reconfigure gdm3
Note: gdm3 is also not perfect but better than nothing.

Starting Spyder from Python (without conda env)
$python
from spyder.app import start
start.main()

]]> 1bc363d759bf52c5aba2b84be4e8e8fe letYourMoneyGrow.com started the topic Installing R4 on Ubuntu - steps after core installation in the forum Quantitative Methods and Programming https://letyourmoneygrow.com/forums/topic/installing-r4-on-ubuntu-steps-after-core-installation/ Sun, 21 Nov 2021 09:57:29 +0100 There are enough good manuals on howto install R4 on Ubuntu20, my favorite one is https://www.digitalocean.com/community/tutorials/how-to-install-r-on-ubuntu-20-04-de (in German).

However, if you then install packages, you will likely get failures due to missing libraries.

So what you definitely have to do is
sudo apt install…[Read more]

]]> 2125cc607c7e1258c0752c36217d5624 letYourMoneyGrow.com started the topic Turbo boost XEON - some useful links in the forum Quantitative Methods and Programming https://letyourmoneygrow.com/forums/topic/turbo-boost-xeon-some-useful-links-2/ Sun, 14 Nov 2021 10:21:36 +0100 general discussion: useful command grep MHz /proc/cpuinfo

https://askubuntu.com/questions/37618/is-turbo-boost-working

enabling turbo mode on SuperMicro X10DRi mainboard

https://www.supermicro.com/support/faqs/faq.cfm?faq=21555
]]> a5dc390bec8ab189a5245047958055b9 letYourMoneyGrow.com started the topic How to confuse R with a stock ticker in the forum Quantitative Methods and Programming https://letyourmoneygrow.com/forums/topic/how-to-confuse-r-with-a-stock-ticker/ Sun, 05 Sep 2021 17:50:58 +0200 First try for Apple (AAPL)
> ohlc = quantmod::getSymbols(“AAPL”, auto.assign = FALSE)
> sd(quantmod::dailyReturn(ohlc))
[1] 0.02033598

So far, so good.
Now try for OPEN (“OPENDOOR TECHNOLOGIES INC”)
> ohlc = quantmod::getSymbols(“OPEN”, auto.assign = FALSE)
> sd(quantmod::dailyReturn(ohlc))
Error in Delt_(getFirst(xx[1]), getLast(xx[ep[2]]), type…[Read more]

]]> f1cfba2a43b19172bd354b16ee360f36 letYourMoneyGrow.com started the topic Setuping Jupyter Notebook for R 4.0 in Conda in the forum Quantitative Methods and Programming https://letyourmoneygrow.com/forums/topic/setuping-jupyter-notebook-for-r-4-0-in-conda/ Fri, 21 May 2021 15:19:00 +0200

In conda env strart R and jupiter as follows
(r4-base) PS C:Usersvasily> RGui (NB RGui or Rscript but not R)
(r4-base) PS C:Usersvasily> jupyter

]]> 184bdd3c1128a97144e56fb4cceac467 letYourMoneyGrow.com started the topic plotting a heatMap with R - package akima in the forum Quantitative Methods and Programming https://letyourmoneygrow.com/forums/topic/plotting-a-heatmap-with-r-package-akima/ Tue, 04 May 2021 20:50:57 +0200
library(akima)
library(fields)
mhu = aggregate(hu$ret, by=list(hu$sGrow1, hu$sGrow2), FUN=mean)
names(mhu)=c("ret", "sGrow1", "sGrow2")
s <- interp(mhu$ret,mhu$sGrow1,mhu$sGrow2)
image.plot(s)

]]> bc410af08a0073cebb511d2784299fb8 J Schreier and letYourMoneyGrow.com are now friends https://letyourmoneygrow.com/activity/p/709/ Sun, 06 Dec 2020 21:17:55 +0100 0 0a8d6f2cc665f6f2ef6470c846013368 Mike became a registered member https://letyourmoneygrow.com/activity/p/700/ Thu, 09 May 2019 17:35:05 +0200 0 0978501076b53efd56af122648aea91a M.Kiffer became a registered member https://letyourmoneygrow.com/activity/p/698/ Wed, 08 May 2019 18:33:39 +0200 0 1d2f4dcbceb47a1019de4ee0cbc27893 facebookcom became a registered member https://letyourmoneygrow.com/activity/p/697/ Wed, 08 May 2019 13:39:24 +0200 0 9ffefdb5e8e2435d688fb99b16f1c8fd olha became a registered member https://letyourmoneygrow.com/activity/p/695/ Wed, 24 Apr 2019 16:01:46 +0200 0 03036ad754f4abeace598a41f64cdc9c Oleksii became a registered member https://letyourmoneygrow.com/activity/p/693/ Wed, 17 Apr 2019 20:28:31 +0200 0 b0ad4a5ae4ecae64505d4d326c853a85 Andrew Chang became a registered member https://letyourmoneygrow.com/activity/p/691/ Thu, 11 Apr 2019 14:01:33 +0200 0 190c5d530e3956c834482a7cd8daec3c g109cx became a registered member https://letyourmoneygrow.com/activity/p/668/ Wed, 03 Apr 2019 09:23:41 +0200 0 a60019cd05bce0cd8f90c8b9b5d631ae shengzhi became a registered member https://letyourmoneygrow.com/activity/p/656/ Mon, 01 Apr 2019 02:54:42 +0200 0 dcf4b5e1ff3bbeb9295a9d95643a94c2 zhebaby0812 became a registered member https://letyourmoneygrow.com/activity/p/644/ Mon, 01 Apr 2019 02:20:09 +0200 0 abccfd9e51170f01f2452c77e1cc055a letYourMoneyGrow.com replied to the topic How to use R behind a proxy to get data from Yahoo.Finance and Quandl in the forum Quantitative Methods and Programming https://letyourmoneygrow.com/forums/topic/how-to-use-r-behind-a-proxy-to-get-data-from-yahoo-finance-and-quandl/#post-11078 Wed, 27 Mar 2019 13:11:59 +0100 One can also figure out the proxy configuration as follows:
1) run command prompt (cmd) as administrator
2) netsh winhttp show proxy

]]> 1d3e656a593e955f73cbad4604f94298 ttf3161 became a registered member https://letyourmoneygrow.com/activity/p/642/ Wed, 27 Mar 2019 02:59:29 +0100 0 51679a19f91e99d5c7c91a0f4538fa1a yh08259 became a registered member https://letyourmoneygrow.com/activity/p/630/ Fri, 22 Mar 2019 01:48:44 +0100 0 93e2f60b4d1a9ad6507b299a1cee7f8d levon became a registered member https://letyourmoneygrow.com/activity/p/628/ Mon, 18 Mar 2019 06:32:20 +0100 0 161d073c4a2ebb67a0ec6aa7e330549b Kornel became a registered member https://letyourmoneygrow.com/activity/p/626/ Sat, 16 Mar 2019 13:53:17 +0100 0 7a98d087366aba5a85d6d804a22bc890 Jon became a registered member https://letyourmoneygrow.com/activity/p/612/ Wed, 06 Mar 2019 19:14:43 +0100 0 d4c96c43c8135f18a8d527a1fcd65d53 dwp199488 became a registered member https://letyourmoneygrow.com/activity/p/599/ Thu, 28 Feb 2019 06:53:06 +0100 0 a795c550ef9f12acd3e6753a35f7df15 j84ywx became a registered member https://letyourmoneygrow.com/activity/p/587/ Wed, 27 Feb 2019 02:51:55 +0100 0 4c55f912474ebf699f4340d2db1f450d lili008 became a registered member https://letyourmoneygrow.com/activity/p/575/ Mon, 25 Feb 2019 06:45:38 +0100 0 45cb4ffc2debeb170958ee3473746c83 Chandrashekar became a registered member https://letyourmoneygrow.com/activity/p/561/ Wed, 06 Feb 2019 16:22:16 +0100 0 8fe8efaf1ba9b4d8362d488c98fcd92a Peter became a registered member https://letyourmoneygrow.com/activity/p/559/ Mon, 28 Jan 2019 17:22:07 +0100 0 93d0ca9212615522a182b1fc0e87a60c Daniel became a registered member https://letyourmoneygrow.com/activity/p/555/ Sat, 26 Jan 2019 19:07:02 +0100 0 2ec1035bff456d1f6aa9cf6435443e13 gdvc became a registered member https://letyourmoneygrow.com/activity/p/542/ Mon, 14 Jan 2019 07:59:31 +0100 0 fa0d9f0fbc695a2d64a5d807d9a70381 Flo became a registered member https://letyourmoneygrow.com/activity/p/540/ Sat, 12 Jan 2019 18:50:07 +0100 0 8b9be0b0b0aba5f1509446ece6fbed6b frtte111 became a registered member https://letyourmoneygrow.com/activity/p/537/ Wed, 09 Jan 2019 02:05:39 +0100 0 03f2ec759abbe31c735816b255d7cb31 Oleksandr became a registered member https://letyourmoneygrow.com/activity/p/535/ Wed, 02 Jan 2019 19:46:25 +0100 0 9537439c91890defa44315f7095ea5af letYourMoneyGrow.com replied to the topic Removing dead sources in Debian properly in the forum Quantitative Methods and Programming https://letyourmoneygrow.com/forums/topic/removing-dead-sources-in-debian-properly/#post-10696 Sun, 30 Dec 2018 14:37:32 +0100 And then fix the problem like this

# grep -ri stable /etc
/etc/apt.conf.d/99myDefaultRelease:APT::Default-Release “stable”;

So changing that file to “jessie” would fix it in my case (as I’m on jessie.)

(in my case the filename in /etc/apt.conf.d/ was…[Read more]

]]> ca9adcf22eda0cb00f0a29fe93ab3d1b letYourMoneyGrow.com started the topic Removing dead sources in Debian properly in the forum Quantitative Methods and Programming https://letyourmoneygrow.com/forums/topic/removing-dead-sources-in-debian-properly/ Sun, 30 Dec 2018 13:22:08 +0100 As I tried to install Java on a Server running under Debian Linux, I broke my source list and got http://ppa.launchpad.net/webupd8team/java/ubuntu/dists/jessie/main/binary-amd64/Packages 404 Not Found by attempts to run sudo apt-get update

Deleting the line http://ppa.launchpad.net/webupd8team/java/ubuntu/dists/jessie/main/binary-amd64/ from…[Read more]

]]> 7ae3f28e0d1d1bcb049f6331c3cd6a75 J a became a registered member https://letyourmoneygrow.com/activity/p/531/ Wed, 26 Dec 2018 05:00:58 +0100 0 f833e0e24ea1331c07b79103e35e7db5 STYLIANOS IORDANIS became a registered member https://letyourmoneygrow.com/activity/p/529/ Thu, 20 Dec 2018 02:40:34 +0100 0 38bbbd61564b61f1c79bc06304cc1117 Matthias Galvin became a registered member https://letyourmoneygrow.com/activity/p/527/ Fri, 14 Dec 2018 03:05:19 +0100 0 b95406d50da20f9fdb963db703b7b628 alex elian became a registered member https://letyourmoneygrow.com/activity/p/525/ Fri, 07 Dec 2018 12:53:20 +0100 0 d810d6d092275f4464acefa669adf86c shanlin became a registered member https://letyourmoneygrow.com/activity/p/523/ Thu, 29 Nov 2018 03:41:29 +0100 0 42d82fffb40b5840003549d3d0b95b01 Theta became a registered member https://letyourmoneygrow.com/activity/p/521/ Sun, 25 Nov 2018 15:39:07 +0100 0 9d5339dfae41e56f40fe69e3724c3607 Will became a registered member https://letyourmoneygrow.com/activity/p/519/ Mon, 19 Nov 2018 14:39:29 +0100 0 815f5542873c5f7ece24c8a1f7eea320 JoSc became a registered member https://letyourmoneygrow.com/activity/p/517/ Sun, 04 Nov 2018 09:40:09 +0100 0 de8db5fe27071456ee001bd97a8be268 Anton became a registered member https://letyourmoneygrow.com/activity/p/515/ Mon, 29 Oct 2018 08:54:33 +0100 0 2aa26f297bcdb6496bbe7d830670471f Albert became a registered member https://letyourmoneygrow.com/activity/p/513/ Mon, 08 Oct 2018 18:29:46 +0200 0 92d5e2328fc7e4cc987e21489fe37f42 Urban School became a registered member https://letyourmoneygrow.com/activity/p/511/ Tue, 02 Oct 2018 15:09:43 +0200 0 5f397507d36b1fb778bcc117ca3428f4 Mimi became a registered member https://letyourmoneygrow.com/activity/p/509/ Wed, 26 Sep 2018 08:48:05 +0200 0 4c9a6bcc016daff235a47a404ed65382 Piabo became a registered member https://letyourmoneygrow.com/activity/p/507/ Tue, 18 Sep 2018 20:55:53 +0200 0 a1f9334c95858fa9cf4d2674a31c91d4 Vitalii became a registered member https://letyourmoneygrow.com/activity/p/505/ Mon, 17 Sep 2018 15:03:44 +0200 0 939fda63c79c0f56efb7e20c9e243d90 newb became a registered member https://letyourmoneygrow.com/activity/p/503/ Sun, 02 Sep 2018 23:25:11 +0200 0 ff2897ba5eae34ab8cb0175d287ab530 Ioannis Rigopoulos changed their profile picture https://letyourmoneygrow.com/activity/p/500/ Wed, 29 Aug 2018 20:45:07 +0200 0