Sebastian Stöckl

random.portfolio fails without constraints and no weight sequence specified

2

See the code below. Is that intended? ``` r require(PortfolioAnalytics) data(edhec) R

Errrors in several demos

1

Hi! I have the newest version of R installed and just (again) updated all necessary packages (devtools::install_github("braverock/PortfolioAnalytics")). Now, whatever I try , some of the demos do not work: `demo(backwards_compat):...

In the `demo(demo_max_return)` you state that `multiplier=0` with a risk objective actually calculates the Standard deviation but does not use it in the objective function. This however is not true,...

Hi Jesse, I have added to my previous modification by rewriting the crypto_history tool, so that it does not need the scraper.R any more. it takes full advantage of the...

Hi! I had the problem that the crypto_list function does not get all the "dead" coins that ceased existing which are important for research purposes to avoid survivorship bias. This...

image push/dynamic image not working

1

I tried to reproduce the example from https://cloudyr.github.io/googleComputeEngineR/articles/rstudio-team.html because I have tried so many things but cannot get `gce_push_registry()` to work properly. What happens is, that the `gce_push_registry()` command works...