In this blog, Learn what is data, different types of data, how to store and analyse data and more which will help you understand the meaning and significance of data.
This knowledge can help you better prepare your data to meet the expectations of machine learning algorithms, such as linear regression, whose performance will degrade with these interdependencies. In this guide, you will discover that correlation is the statistical summary of the relationship between ...
Getting good results from your data means doing a good job of preparing the data for analytics. Find out what TDWI says it takes to get there.
As you can see, a simple correlation question confused me a bit, and I've been quite puzzled about what I should be doing, why and how to appropriately prepare my data for analysis. Do you have any suggestions about the best approach here? Any advice would be super appreciated, than...
Data analysis helps boost your confidence as a business owner and make better-informed, data-driven decisions. By analyzing data you’ll be able to get a snapshot of all aspects of your business, including what’s working and what’s not, the risks, potential opportunities for improvement, ...
Conduct statistical/hypothesis analysis Compile insights Prepare next steps 1. Prepare the data Whether it’s qualitative or quantitative data, you’ll want to make sure it’s as clean as possible before you analyze it. One step to take is to remove irrelevant data points.For example, if you...
These are common terms that appear in economics, finance and other areas. For data collection, a top-down approach starts general and then becomes more specific, while the bottom-up strategy begins specific before growing broader. To explain further: ...
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Learn about factor analysis - a simple way to condense the data in many variables into a just a few variables.
As we will want to use a ‘winner’ field for our dependent (target) variable, let’s check the distribution of it: Chess match data winner distribution. Image byauthor. We can see that wins by white and black are quite balanced. However, draws occur a lot less frequently, making it ...