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Data Analyst Interview Questions to prepare for in 2023

ProjectPro

DECEMBER 22, 2016

Data cleansing does not involve deleting any existing information from the database, it just enhances the quality of data so that it can be used for analysis. Here are some solved data cleansing code snippets that you can use in your interviews or projects. Having different value representations and misclassified data.

Data Mining 52
Data Mining Data Cleanse Datasets Data Analysis 52
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Top 100 Hadoop Interview Questions and Answers 2023

ProjectPro

AUGUST 21, 2015

Checkpoint node creates checkpoints for the namespace at regular intervals by downloading the edits and fsimage file from the NameNode and merging it locally. So it is important to have a data cleaning and validation framework in place to clean and validate the data issues to ensure data completeness.

Hadoop 40
Hadoop Big Data Metadata Unstructured Data 40
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