Histograms and Density Plots with {ggplot2}
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10 ماه پیش
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Histograms display the shape of
Histograms display the shape of the distribution of continuous numeric data. The distribution can be symmetrical, right-skewed, left-skewed, unimodal, or multimodal? Knowing the shape of the distribution helps us decide which statistical test is appropriate. For example, if the distribution is symmetrical, we could use a t-test or linear regression. However, if the distribution is skewed, we’d need to use the Mann-Whitney test or median regression. Moreover, when the data has several peaks, we might need to transform the data before analyzing it. Otherwise, when we calculate central tendencies like the average, we will heavily misrepresent reality. Histograms also help to identify outliers, which is very useful for cleaning the data. So, visualizing the distribution with histograms and density plots helps us avoid these pitfalls.
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If you only want the code (or want to support me), consider join the channel (join button below any of the videos), because I provide the code upon members requests.
Enjoy! 🥳
Welcome to my VLOG! My name is Yury Zablotski & I love to use R for Data Science = "yuzaR Data Science" ;)
This channel is dedicated to data analytics, data science, statistics, machine learning and computational science! Join me as I dive into the world of data analysis, programming & coding. Whether you're interested in business analytics, data mining, data visualization, or pursuing an online degree in data analytics, I've got you covered. If you are curious about Google Data Studio, data centers & certified data analyst & data scientist programs, you'll find the necessary knowledge right here. You'll greatly increase your odds to get online master's in data science & data analytics degrees. Boost your knowledge & skills in data science and analytics with my engaging content. Subscribe to stay up-to-date with the latest & most useful data science programming tools. Let's embark on this data-driven journey together!
10 ماه پیش
در تاریخ 1402/07/09 منتشر شده
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