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  #Introduction to  R programming# In a field of data science to pursue your career you need to have some knowledge about R programming. R is a very easy language compare to other programming languages and scripting languages. BASICS OF R PROGRAMMING In this chapter we are going to learn three topics. HISTORY OF R HOW TO INSTALL R? THE R ENVIRONMENT # HISTORY OF R # R is implementation of S programming language . S is also a Statistical Programming language , Developed by John Chambers, Rick Becker and Allen Wilkes  of Bell laboratories. R was created by Ross Ihaka and Robert Gentleman at University of Auckland,  New Zealand . Currently R is developed by " R development Team ". # Installing R # All the details of R will be available from CRAN(Comprehensive R Archive Network) on this url: https://cran.r-project.org Go through the link and you will see the home page of CRAN and you can easily download it. This page will be open on CRAN, now you have to select yo...

Basics of Java INTROCUCTION Java was invented by James Gosling, Patrick Naughton, Chris Werth, E.D.Frank and Mike Sheridan at Sun Microsystems. Inc.in 1991. It took 18 months to complete the first working version of java. -The language was initially called as Oak but was renamed as JAVA in 1995. -In 1992 Java was officially known as "Oak". -In 1995 Sun Microsystems released the first public implementation as Java 1.0 -In 1998-1999 the Java 2.0 was released. In this version there was a support for various such as J2EE, J2ME. - For marketing purpose, Sun renamed to J2 versions as Java EE, Java ME & Java SE. In 2007, sun released java as Open Source Software. In 2010, Oracle acquired Sun Microsystems.

की-बोर्ड से ईमोजी बनाने का आसन तरीका  / HOW TO MAKE SYMBOLS WITH KEYBOARD Alt + 0153 .....™.... trademark symbol Alt + 0169 .....©....Copyright  symbol Alt + 0174 .....®....registered  trademark   symbol Alt + 0176 .....°....Degree  symbol Alt + 0182 .....¶....paragraph  symbol Alt + 0190 .....¾....fraction  symbol, three- froths Alt + 0215 .....×....multiplication  symbol Alt + 0162 .....¢....cent  sign Alt + 0161 .....¡....Upside down exclamation point Alt + 0191 .....¿.... Upside down question mark Alt + 1. ...☺....smiley face Alt + 2 .....☻....black  smiley face Alt + 3. ...♥....heart Alt + 4 ....♦....diamond Alt + 5 ....♣....club Alt + 6 ....♠....spade Alt + 7 ....•....dot Alt + 9 ....○....circle Alt + 11. ...♂....male sign Alt + 12. ...♀....female sign Alt + 13 ....♪....eighth mode Alt + 14 ....♫....beamed eight note Alt + 15 ....☼....sun Alt + 821 .... √ ....square root check mark Alt + 24 ....↑....up arrow Alt + 8236 ....↓.....

  Unites of Computer Memory Measures / कंप्यूटर मेमोरी के यूनिट्स  1 Bit = Binary Digit 8 Bits = 1 Byte 1 KB (Kilo Byte) =  1024 Bytes 1024 KB = 1 MB (Mega Byte) 1024 MB = 1  GB (Giga Byte) 1024 GB = 1 TB (Tera Byte) 1024 TB = 1 PB (Peta Byte) 1024 PB = 1 EB (Exa Byte) 1024 EB = 1 ZB (Zetta Byte) 1024 ZB = 1 YB (Yotta Byte) 1024 YB = 1  (Bronto Byte) 1024 Brontobyte = 1 (Geop Byte) Geop Byte is the Highest Memory click here 👉  गूगल अकाउंट कैसे बनाये जानिए हिंदी में  👈

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