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R Cheat Sheet : Applying functions

• R Cheat Sheet : Applying functions
  • apply(x,index,function)
  • lapply(x,function)
  • sapply(x,function)
  • tapply(x,y,function)
  • mapply(function,x,y,...)
  • References

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Comment

• Dont forgete the ; at the end of each call for multiple calls
• Commands are case insensitive

Schema Commands

    CREATE TABLE TableName (id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT UNIQUE,
        attr1Name VARCHAR(128), 
        attr2Name VARCHAR(128),
        OtherTableName_id INTEGER) # Foreign Key

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Anchors

^	Start of line or start of string
$	End of line or end of string
\A \Z Start/end of string
\b Word boundary
\B Not word boundary
\< \> Start/End of word

Characters types

. Matches any character except new line (\n)

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Installing

sudo apt-get install -y nodejs

set the global install path

The global install put the files in ~/share/npm-global/

npm config set prefix ~/share/npm-global/

add exec path to PATH

add to .bashrc to add ~/share/npm-global/:

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Start container dicsconnected from the shell

docker-compose up -d

Shell in running container

docker exec -it 6e796a466e53 bash

Stop and delete containers

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Data Types

Integer     -256, 15
Float       -253.23, 1.253e-10
String      "­Hello", 'Goodbye', """­Multiline­"""
Boolean     True, False
List        [ value, ... ]
Tuple       ( value, ... )
Dictionary  { key: value, ... }

Set { value, value, ... }

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sudo add-apt-repository ppa:webupd8team/atom