What are your ideas about the topic of Gathering and Cleaning the Data? Why do you think this topic is important before you proceed with interpreting the results of a certain set of data?

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Freddy Doyle · Accepted Answer

Data preprocessing a step in data analysis when the raw data is converted to an understandable form.For any statistical analysis, data gathering and cleaning is an important step. For any statistical analysis, data is the most important thing. There are many techniques for data gathering. Mainly the data is categorized into 2, primary data and secondary data. Primary data is the first-hand data, or the data generated or collected by the researcher itself. Census, sample survey, etc.Secondary data is the data that is not directly collected by the researcher. Already collected data that is used for the study is called secondary data.The raw data will have many noises and outliers. Data cleaning is the method to make the data free of these noises and outliers. The data cleaning will include the management of the missing value, get rid of the missing information and outliers etc. Data cleaning is important because uncleaned data does not give the desired results. The results obtained from uncleaned data will not be reliable and will be biased.

What are your ideas about the topic of Gathering and

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