Error:: github :: Peer certificate cannot be authenticated with given CA certificates

https://www.r-bloggers.com/fixing-peer-certificate-cannot-be-authenticated/   에러 발생 > devtools::install_github(“rstudio/tensorflow”) Error in curl::curl_fetch_disk(url, x$path, handle = handle) : Peer certificate cannot be authenticated with given CA certificates 해결 > library(httr) > set_config(config(ssl_verifypeer = 0L))       https://stackoverflow.com/questions/21181231/server-certificate-verification-failed-cafile-etc-ssl-certs-ca-certificates-c TLDR: hostname=XXX port=443 trust_cert_file_location=`curl-config –ca` sudo bash -c “echo -n | openssl s_client -showcerts -connect $hostname:$port Read more…

Rstudio 초기설정

    초기설정 (Tools > Global Options) General – 작업디렉토리 설정  “Default working directory (when not in a project):” : RStudio에서 사용할 작업폴더 지정 Code :: Editing TAB설정 Code :: Display 예를 들어 str()이 truncated되지 않도록 하려면 아래와 같이 list.len을 설정하고,  Df %>% str(list.len=ncol(.)) Console에서도 truncated되지 않도록 하려면 Limit length를 Read more…