Adegbuji Fajemisin

Biostatistician💻 || Qualitative & Quantitative Researcher 👨‍🔬🔬🚣 || Data Analyst%π Development Expert

[Data4 Decision @Data4_Decision]

Building Partnerships. Creating Lasting Impact.

Data4Decision International (D4D) had the privilege of meeting with Fulfilling Dreams Foundation to explore opportunities for strategic collaboration and partnership.

#Data4DecisionInternational
#Strategicpartnership

[Adegbuji Fajemisin @gbujifajee]

@USinNigeria God bless the United States of America

[Adegbuji Fajemisin @gbujifajee]

Do you remember when you joined X? I do! #MyXAnniversary

[Adegbuji Fajemisin @gbujifajee]

@peng_writer

[Adegbuji Fajemisin @gbujifajee]

@Ekitiketekan @officialABAT @NGRPresident @woye1 @segalink @abdullahayofel @HighChiefOkoro @Gidi_Traffic Can something similar be introduce to solve the backlogs of driver's license? @FRSCNigeria

[Adegbuji Fajemisin @gbujifajee]

@Cletuzs 🤣🤣🤣🤣🤣🤣

[Adegbuji Fajemisin @gbujifajee]

@Cletuzs Congratulations 🎊

Do giveaway reach here ooo

[Adegbuji Fajemisin @gbujifajee]

@Cletuzs @naughty_libra07 @viktorbensonyt @Adadinmmma @Adetoyosi17 @ChisomAgbafor @aust91850 @ChinweOfoha2 @ChuksEricE @dangbanamanager @DeraOnuh @DenikeOlori My name no dey dis list, wetin I do?

[Adegbuji Fajemisin @gbujifajee]

@Cletuzs Amen

[Adegbuji Fajemisin @gbujifajee]

@Cletuzs Gulder Ultimate Search

[Adegbuji Fajemisin @gbujifajee]

@Cletuzs Good morning, bro

[Adegbuji Fajemisin @gbujifajee]

@Cletuzs My guy.

[Adegbuji Fajemisin @gbujifajee]

@Cletuzs Weldone, my guy

[Adegbuji Fajemisin @gbujifajee]

@probnstat A

[Matt Dancho (Business Science) @mdancho84]

Understanding P-Values is essential for improving regression models.

In 2 minutes, I'll crush your confusion.

Let's go:

[Joachim Schork @JoachimSchork]

The Kruskal-Wallis test is a non-parametric method used to determine if there are statistically significant differences in the distributions of three or more independent groups based on ranks. Unlike ANOVA, it does not assume that residuals are normally distributed, making it more flexible for analyzing data sets that do not meet this assumption.

Advantages of Proper Use:
✔️ Suitable for ordinal data or data sets where the normality assumption in residuals is not met.
✔️ Does not assume homogeneity of variance, offering more flexibility.
✔️ Can be used with small sample sizes, increasing its applicability in various research settings.

Challenges If Not Handled Correctly:
❌ Interpretation can be complex, especially if the test is mistaken for a direct comparison of medians when specific conditions aren't met (e.g., independent samples, symmetric distributions).
❌ Less powerful than ANOVA when residuals are normally distributed and variances are equal.
❌ May require post-hoc tests to pinpoint specific group differences, adding complexity to the analysis.

How to Apply in Practice:
🔹 R: Use the kruskal.test() function from the base package to perform the Kruskal-Wallis test.
🔹 Python: Utilize the kruskal() function from the scipy.stats module for the analysis.

Visualization Explanation:
The visualization accompanying this post compares ANOVA and the Kruskal-Wallis test by ranks. This visualization is adapted from a Wikipedia source: https://t.co/1hRzGEFOjY

For those interested in learning more, consider joining my online course on Statistical Methods in R, where we explore this topic and related methods in greater detail. Further details: https://t.co/7YQCRDKSPO

#Data #RStats #DataScience #R #Python

[Adegbuji Fajemisin @gbujifajee]

@UrbanAlert @InsideOsogbo @insideEDE @inside_ijesa @insideIkirun @CivicHive @rave917fm @Connected_dev @Globalrightsng Congratulations 🎊

[Adegbuji Fajemisin @gbujifajee]

@UNVolunteers Community Development & Communication

[Adegbuji Fajemisin @gbujifajee]

@Dearme2_ Yes, He always presented

[U.S. Mission Nigeria @USinNigeria]

Join us in welcoming our new Consul General, Rick Swart, as he arrives in Lagos!

Consul General Swart has served around the world as a career diplomat, and for the next three years, he’ll be travelling across the 17 states in the Consulate General’s area of responsibility, to meet people, experience Nigeria’s vibrant culture, and deepen the U.S.–Nigeria partnership.

Do you have any ideas on things #CGSwart should see and do in Lagos and across southern Nigeria? Let us know in the comment section!