Hoofdstuk1

Dit is de eerste regel van hoofdstuk1

x =3.1415
print(x)
print(x+1)

3.1415
4.141500000000001

Hoofdstuk2

Dit is de eerste regel van hoofdstuk2

import math
y = math.exp(1)
print(y)

2.718281828459045

Dit is een doodgewone tekst over de constante e met waarde {{y}}

$P(A \mid B) = \frac{P(B \mid A)P(A)}{P(B)}$

import sys
print(sys.version)

import os
os.system('jupyter nbconvert --to html speel_schrijfboekje.ipynb')

3.6.4 |Anaconda, Inc.| (default, Mar 13 2018, 01:15:57) 
[GCC 7.2.0]

0

!ls

cars.png		   toy_document_orgmode_python_en.org
cosxsx.png		   toy_document_orgmode_python_fr.org
speel_schrijfboekje.html   toy_document_orgmode_R_en.org
speel_schrijfboekje.ipynb  toy_document_orgmode_R_fr.org
toy_document_en.Rmd	   toy_notebook_en.ipynb
toy_document_fr.Rmd	   toy_notebook_fr.ipynb

%load_ext rpy2.ipython

%%R
sessionInfo()

R version 3.4.1 (2017-06-30)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 18.04.3 LTS

Matrix products: default
BLAS: /opt/conda/lib/R/lib/libRblas.so
LAPACK: /opt/conda/lib/R/lib/libRlapack.so

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C              
 [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8    
 [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8   
 [7] LC_PAPER=en_US.UTF-8       LC_NAME=C                 
 [9] LC_ADDRESS=C               LC_TELEPHONE=C            
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C       

attached base packages:
[1] tools     stats     graphics  grDevices utils     datasets  methods  
[8] base     

loaded via a namespace (and not attached):
[1] compiler_3.4.1

pip -help

Usage:   
  /opt/conda/bin/python -m pip <command> [options]

Commands:
  install                     Install packages.
  download                    Download packages.
  uninstall                   Uninstall packages.
  freeze                      Output installed packages in requirements format.
  list                        List installed packages.
  show                        Show information about installed packages.
  check                       Verify installed packages have compatible dependencies.
  config                      Manage local and global configuration.
  search                      Search PyPI for packages.
  wheel                       Build wheels from your requirements.
  hash                        Compute hashes of package archives.
  completion                  A helper command used for command completion.
  debug                       Show information useful for debugging.
  help                        Show help for commands.

General Options:
  -h, --help                  Show help.
  --isolated                  Run pip in an isolated mode, ignoring
                              environment variables and user configuration.
  -v, --verbose               Give more output. Option is additive, and can be
                              used up to 3 times.
  -V, --version               Show version and exit.
  -q, --quiet                 Give less output. Option is additive, and can be
                              used up to 3 times (corresponding to WARNING,
                              ERROR, and CRITICAL logging levels).
  --log <path>                Path to a verbose appending log.
  --proxy <proxy>             Specify a proxy in the form
                              [user:passwd@]proxy.server:port.
  --retries <retries>         Maximum number of retries each connection should
                              attempt (default 5 times).
  --timeout <sec>             Set the socket timeout (default 15 seconds).
  --exists-action <action>    Default action when a path already exists:
                              (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.
  --trusted-host <hostname>   Mark this host or host:port pair as trusted,
                              even though it does not have valid or any HTTPS.
  --cert <path>               Path to alternate CA bundle.
  --client-cert <path>        Path to SSL client certificate, a single file
                              containing the private key and the certificate
                              in PEM format.
  --cache-dir <dir>           Store the cache data in <dir>.
  --no-cache-dir              Disable the cache.
  --disable-pip-version-check
                              Don't periodically check PyPI to determine
                              whether a new version of pip is available for
                              download. Implied with --no-index.
  --no-color                  Suppress colored output
  --no-python-version-warning
                              Silence deprecation warnings for upcoming
                              unsupported Pythons.
Note: you may need to restart the kernel to use updated packages.