Array, Strings and Functions in R Languages

Array  Used to store ordered list of values of same type. We will see how to: Create Array Access Array Modify Array (adsbygoogle = window.adsbygoogle || []).push({}); Functions :-  Function is a set of...

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Importing Data Files from Other Software in R Language

Importing Data Files Spreadsheet (Excel) file data The xlsx package has the function read.xlsx ( ) for reading Excel files. This will read the first sheet of an Excel spreadsheet. To read Excel files, we first need to install the package install.packages...

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Java Basics for Android

Originated in late 1995, released to public in 1996 (called Oak) Nine major release since the beginning Current version is SDK 8. More than a programming language, it is a execution platform            ...

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Data Reshaping in R Language

Data reshaping means changing how data is represented in rows and column.  Most of Data Processing in R is done on Data Frames.  R has many functions that deal with Reshaping of Data, by splitting, meaning or interchanging the...

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Introduction to Android

Android Android is an Operating System Mainly for smartphones. But now you can find Android in your Tab, Television, TV Set top Box, Watches and even in your Car. Android is a rich application Framework that allows you to develop innovative...

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Introduction to Angular JS

This is developed in 2009 by Misko and Adam Abrons. It is a Open Source and completely free. It is a Licensed under Apache and maintained by Google. This is very powerful JavaScript Framework. A client side JS framework. Developed and being maintained by Google Goals              - Separate DOM manipulation from...

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Data management: Sequence in R Language

Sequences A sequence is a set of related numbers, events, movements, or items that follow each other in a particular order. The regular sequences can be generate in R. Syntax :- seq ( ) seq (from = 1, to = 1, by = ( ( to from) / (length.out...

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Basic calculations: Truth table and conditional executions

Example of standard logical operations Truth table   > x = TRUE > y = FALSE > x & y       # x AND y [1]   FALSE > x | y        # x OR y   [1]  TRUE > !x...

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Basic calculations: Logical operators in R Languages

Logical Operators and Comparisons The following table shows the operations and functions for logical comparisons (True or False). Examples : > x = 1 : 6       # Generates x=1,2,3,4,5,6 > (x >...

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Introduction to Python

What is Python? → Python is an interpreted High level programming Language for General purpose programming. Python is created by Guido Van Rossem and first release in 1991.It is very dynamic and easy to use. Scope :- Application...

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Basic calculations: Missing data and logical operators in R Language

Missing data R represents missing observations through the data value NA We can detect missing values using is.na > x  <-  NA             # assign NA to variable...

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