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Python Dictionary in detail

What is Dictionary in Python? First of All it is not sequential like List. It is an non-sequential, unordered, redundant and mutable collection as key:value pairs. Keys are always unique but values need not be unique. You use the key to access the corresponding value....

What is Hive?

Hive is an open-source data warehouse infrastructure built on top of Hadoop for providing data summarization, query, and analysis. It allows users to query and manage large datasets residing in distributed storage using a SQL-like language called HiveQL. Here's an...

SAS First., Last. Syntax and uses with examples

In SAS, the FIRST. and LAST. automatic variables are used within a DATA step to identify the first and last occurrences of observations within a BY group. These variables are particularly useful when working with sorted data or when you need to perform specific...

Syntax and Uses of PROC steps such as PRINT, SORT, FREQ, MEANS, SUMMARY, and SQL

1. PROC PRINT: Syntax: PROC PRINT [DATA=dataset_name] [VAR variables]; Use: Prints the contents of a SAS dataset in a tabular format. You can specify a subset of variables to print using the VAR option. 2. PROC SORT: Syntax: PROC SORT DATA=dataset_name...

Explain SAS PDV step by step with a example

The Program Data Vector (PDV) is a critical concept in SAS programming, particularly in the context of the DATA step. It represents the current state of data processing during the execution of a DATA step. Let's delve into how the SAS PDV works in detail: 1....

SAS Reading and writing data- Important Points and Interview Question and Answers

SAS: Reading and Writing Data - Important Points and Interview Q&A Important Points: Reading Data: SAS offers various tools to read data from different sources: SAS datasets (.sas7bdat): Use the SET statement to read existing SAS datasets. CSV files: Use...

Mastering Data Analysis with Python Pandas: An Interactive Tutorial

Welcome to the ultimate guide for mastering data analysis with Python Pandas! Whether you're new to Pandas or looking to level up your skills, this interactive tutorial will cover everything you need to know to become proficient in data manipulation and analysis using...

Lists and Tuples in Python – Explained with loads of examples

What is List? Lists are a fundamental data structure in Python used to store collections of items. They are ordered, meaning elements have a defined sequence, and mutable, allowing you to modify their contents after creation. They are denoted by square brackets [ ],...

Python- String Data Type & For Loop Combined

It is a case sensitive, non-mutable sequence of characters marked under quotation. It can contain alphabets, digits, white spaces and special characters. In Python, a string is a sequence of characters enclosed within either single quotes (' '), double quotes (" "),...

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functions in Python in an interactive way

Functions in Python are blocks of code that perform a specific task, and they can be defined using the def keyword. Definition: A function in Python is a block of reusable code that performs a specific task. It allows you to break down your program into smaller, more...

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Python Data Types, Type Casting, Input(), Print()

In Python, data types define the type of data that can be stored in variables. Here are the main data types in Python: 1. Numeric Types: int: Integer values (e.g., 5, -3, 1000) float: Floating-point values (e.g., 3.14, -0.001, 2.0) 2. Sequence Types: str: Strings,...

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Python Syntax – Main Points

Python syntax refers to the rules and conventions that dictate how Python code is written and structured. Here are some fundamental aspects of Python syntax: Statements and Indentation: Python uses indentation to define blocks of code, such as loops, conditionals, and...

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