# load package
library(reticulate)

# which path does reticulate uses
Sys.which("python")
#>                                                                     python 
#> "C:\\Users\\Berna\\AppData\\Local\\Programs\\Python\\Python36\\python.exe"

# is Python avaiable?
py_available()
#> [1] FALSE

# check what reticulate can detect
py_config()
#> python:         C:\Users\Berna\AppData\Local\Programs\Python\Python36\python.exe
#> libpython:      C:/Users/Berna/AppData/Local/Programs/Python/Python36/python36.dll
#> pythonhome:     C:\Users\Berna\AppData\Local\Programs\Python\Python36
#> version:        3.6.3 (v3.6.3:2c5fed8, Oct  3 2017, 18:11:49) [MSC v.1900 64 bit (AMD64)]
#> Architecture:   64bit
#> numpy:           [NOT FOUND]
#> 
#> python versions found: 
#>  C:\Users\Berna\AppData\Local\Programs\Python\Python36\python.exe
#>  C:\Users\Berna\Anaconda3\python.exe

# copy the anaconda version
use_python("\\Users\\Berna\\Anaconda3\\python.exe")

# is Python avaiable?
py_available()
#> [1] TRUE

# attempt to create and envirornment
conda_create('r-reticulate')
#> Error: Error 1 occurred creating conda environment r-reticulate






devtools::session_info()
#> - Session info ----------------------------------------------------------
#>  setting  value                       
#>  version  R version 3.5.3 (2019-03-11)
#>  os       Windows 10 x64              
#>  system   x86_64, mingw32             
#>  ui       RTerm                       
#>  language (EN)                        
#>  collate  English_United States.1252  
#>  ctype    English_United States.1252  
#>  tz       America/Sao_Paulo           
#>  date     2019-03-22                  
#> 
#> - Packages --------------------------------------------------------------
#>  package     * version date       lib source        
#>  assertthat    0.2.0   2017-04-11 [1] CRAN (R 3.5.1)
#>  backports     1.1.3   2018-12-14 [1] CRAN (R 3.5.1)
#>  callr         3.1.0   2018-12-10 [1] CRAN (R 3.5.1)
#>  cli           1.0.1   2018-09-25 [1] CRAN (R 3.5.1)
#>  crayon        1.3.4   2017-09-16 [1] CRAN (R 3.5.1)
#>  desc          1.2.0   2018-05-01 [1] CRAN (R 3.5.1)
#>  devtools      2.0.1   2018-10-26 [1] CRAN (R 3.5.1)
#>  digest        0.6.18  2018-10-10 [1] CRAN (R 3.5.1)
#>  evaluate      0.13    2019-02-12 [1] CRAN (R 3.5.2)
#>  fs            1.2.6   2018-08-23 [1] CRAN (R 3.5.1)
#>  glue          1.3.1   2019-03-12 [1] CRAN (R 3.5.3)
#>  highr         0.7     2018-06-09 [1] CRAN (R 3.5.1)
#>  htmltools     0.3.6   2017-04-28 [1] CRAN (R 3.5.1)
#>  jsonlite      1.6     2018-12-07 [1] CRAN (R 3.5.1)
#>  knitr         1.22    2019-03-08 [1] CRAN (R 3.5.3)
#>  lattice       0.20-38 2018-11-04 [2] CRAN (R 3.5.3)
#>  magrittr      1.5     2014-11-22 [1] CRAN (R 3.5.1)
#>  Matrix        1.2-15  2018-11-01 [2] CRAN (R 3.5.3)
#>  memoise       1.1.0   2017-04-21 [1] CRAN (R 3.5.1)
#>  pkgbuild      1.0.2   2018-10-16 [1] CRAN (R 3.5.1)
#>  pkgload       1.0.2   2018-10-29 [1] CRAN (R 3.5.1)
#>  prettyunits   1.0.2   2015-07-13 [1] CRAN (R 3.5.1)
#>  processx      3.2.1   2018-12-05 [1] CRAN (R 3.5.1)
#>  ps            1.2.1   2018-11-06 [1] CRAN (R 3.5.1)
#>  R6            2.3.0   2018-10-04 [1] CRAN (R 3.5.1)
#>  Rcpp          1.0.0   2018-11-07 [1] CRAN (R 3.5.1)
#>  remotes       2.0.2   2018-10-30 [1] CRAN (R 3.5.1)
#>  reticulate  * 1.11.1  2019-03-06 [1] CRAN (R 3.5.3)
#>  rlang         0.3.1   2019-01-08 [1] CRAN (R 3.5.2)
#>  rmarkdown     1.12    2019-03-14 [1] CRAN (R 3.5.1)
#>  rprojroot     1.3-2   2018-01-03 [1] CRAN (R 3.5.1)
#>  sessioninfo   1.1.1   2018-11-05 [1] CRAN (R 3.5.1)
#>  stringi       1.3.1   2019-02-13 [1] CRAN (R 3.5.2)
#>  stringr       1.4.0   2019-02-10 [1] CRAN (R 3.5.2)
#>  testthat      2.0.1   2018-10-13 [1] CRAN (R 3.5.1)
#>  usethis       1.4.0   2018-08-14 [1] CRAN (R 3.5.1)
#>  withr         2.1.2   2018-03-15 [1] CRAN (R 3.5.1)
#>  xfun          0.5     2019-02-20 [1] CRAN (R 3.5.2)
#>  yaml          2.2.0   2018-07-25 [1] CRAN (R 3.5.1)
#> 
#> [1] C:/Users/Berna/Documents/R/win-library/3.5
#> [2] C:/Program Files/R/R-3.5.3/library