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6 algorithms that have triggered disaster
Oct12

6 algorithms that have triggered disaster

Algorithms are increasingly used to help humans in their decisions. A poorly programmed algorithm, or humans lacking critical thinking skills, are recurrent causes of algorithmic errors. These errors sometimes trigger users’ anger or incite them to hack them. This article analyzes 6 algorithmic errors that have had harmful consequences on humans. The 4th example is particularly serious because it impacted thousands of people and...

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ETL: Anatella in web version with high performance
Jun17

ETL: Anatella in web version with high performance

If you are interested in data science, you know that data preparation is a very time-consuming step. That’s why choosing the right ETL software is so important. My favorite solution is called Anatella. I appreciate its qualities in terms of speed and the richness of the proposed transformations. So, of course, I am always enthusiastic when a new product arrives on the market. In this case, it is the web version of Anatella which...

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Patek Philippe Nautilus: how have prices changed in 4 years?
Jun15

Patek Philippe Nautilus: how have prices changed in 4 years?

How much does a Patek Philippe Nautilus cost? How will Nautilus prices evolve? Answering these questions, as relevant as they are, has become extremely difficult following the bubble formed in the luxury men’s watch market. Some models have seen their prices explode. The Nautilus from Patek Philippe is one of them. This article analyzes the price history of 31 Patek Philippe Nautilus models. We reveal the models that have gained...

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LinkedIn’s algorithm changed again in 2022: what impact?
May16

LinkedIn’s algorithm changed again in 2022: what impact?

LinkedIn’s algorithm underwent some pretty significant changes in May 2022. LinkedIn introduces constraints in its algorithm and takes into account more explicit variables. This has had a substantial impact on the visibility of posts. Although the basic functioning of the LinkedIn algorithm is not changed, we analyze these announcements for you. The goals of LinkedIn’s algorithm changes The rules for highlighting posts...

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57 unpublished LinkedIn statistics [2022]
Apr15

57 unpublished LinkedIn statistics [2022]

The LinkedIn statistics you find on the internet are often the same: the number of users, geographical distribution, and age … In this article, we offer you 57 new LinkedIn statistics. They are unpublished simply because they are calculated from a dataset that only we have. This is the same dataset that allowed us to unravel some of the mysteries of the LinkedIn algorithm (based on dwell time since 2020) and highlight the 3...

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Men – Women: the battle for influence is unequal on LinkedIn
Apr04

Men – Women: the battle for influence is unequal on LinkedIn

In a first analysis, I showed that most female influencers on LinkedIn were young (18-30). Could age be a factor in the virality of LinkedIn posts? To be sure, I had to check if my first conclusions applied to men too. If you only have 30 seconds Half of female LinkedIn influencers are under 30 years old. That’s twice as many as their male counterparts Across all languages, men and women get about the same ratio of comments: 1...

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On LinkedIn, women are 17.3% more viral than men
Mar28

On LinkedIn, women are 17.3% more viral than men

Is it better to be a woman to be a LinkedIn influencer? At least, that’s what a preliminary study we conducted suggested. Today we extend this study to nearly 5 million LinkedIn posts. The results show that beyond 500 reactions, women’s posts get 17.3% more reactions. However, there are significant differences by language. If you only have 30 seconds Globally, only 0.5% of posts on LinkedIn get more than 500...

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On LinkedIn, to create a Buzz, it is better to be a young woman…
Mar14

On LinkedIn, to create a Buzz, it is better to be a young woman…

Analysis of 1118 viral LinkedIn posts shows the domination of women in terms of reactions (likes and comments). Among these influencers, there is also apparent domination (nearly 50%) of women aged 18 to 30. This domination is exercised in terms of the number of profiles in this age group and the number of reactions collected. Although men are more numerous, they collect fewer reactions on average. Lenna Jouot dominates the ranking in...

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CBD online: French and English, all addicted! [SEO Research]
Feb07

CBD online: French and English, all addicted! [SEO Research]

SEO research on online searches related to CBD shows that 2 countries share the first place. France and the UK have the highest number of searches per capita. The SEO research we realized in 31 countries also shows significant differences in the keywords used. Follow us into the beautiful world of CBD online; it may surprise you! Summary Introduction Methodology What are the most searched CBD-related keywords per country?...

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ETL: comparison, selection criteria, advice [guide 2022]
Jan26

ETL: comparison, selection criteria, advice [guide 2022]

ETL: Extract – Transform – Load. These 3 words alone summarize the functionalities that software solutions belonging to this family must fulfil. THEREFORE, an ETL tool is a software that simplifies data preparation, local or on the cloud. The latter focuses on realizing 3 types of operations on data: (1) extracting them from files of different natures; (2) transforming and enriching them to prepare them for exploitation;...

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Netflix ratings: tough competition for the most popular movies and series
Dec13

Netflix ratings: tough competition for the most popular movies and series

Netflix now publishes its weekly ratings in the form of a TOP 10 of the number of hours watched worldwide. Although Netflix only publishes the total number of hours watched, this data is still rich in information for those who want to understand how the ratings of the top Netflix movies and series evolve. In this article, we analyze the data of the most popular Netflix movies and series by distinguishing 4 categories: films in English...

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Talking to the dead, the future of artificial intelligence?
Dec01

Talking to the dead, the future of artificial intelligence?

Deadbots are a new application of artificial intelligence. Personally, it scares me. Deadbots are chatbots that allow you to converse with dead people by imitating their responses. Their development is part of a more global context of virtualizing relationships and blurring the boundaries between the physical and digital worlds. Joshua Barbeau spoke with his girlfriend, who had died 8 years ago In August 2021, the San Francisco...

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We forgive mistakes made by algorithms more easily than by humans
Nov26

We forgive mistakes made by algorithms more easily than by humans

Algorithms have taken over. They are in charge of making more and more decisions. More and more complex decisions affect all aspects of our lives. But algorithms are not perfect. They also make mistakes. So, a question arises: do we forgive algorithms more easily than human beings for the same mistake? Research from 2021 sheds new light on this question and provides essential insights into the ideal characteristics of algorithms and...

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Cloud Act and GDPR: can we host our data in the Cloud?
Nov17

Cloud Act and GDPR: can we host our data in the Cloud?

Does your use of cloud services lead you to violate the GDPR? Can you store your data on AWS, Azure, … and still comply with the GDPR? The American Cloud Act sows doubt and creates a legal uncertainty which we discussed with Me. Jérôme Tassi, an attorney at the Paris Bar. Introduction The starting point for this article (and the accompanying video) is a thought brought to me by an entrepreneur friend. He was worried that his...

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The panda is the most rewarding emoji on LinkedIn
Jun28

The panda is the most rewarding emoji on LinkedIn

An analysis of 2.9 million emojis on LinkedIn delivers a surprising piece of information: the 🐼 emoji elicits the most reactions. This research offers us an opportunity to critically look at the data and understand the origin of a polluting LinkedIn phenomenon. Follow me for an exciting data mining exercise. To learn more about the factors that impact virality on LinkedIn, I invite you to read my complete analysis here and send me...

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The most used emojis on LinkedIn [analysis and statistics]
Jun21

The most used emojis on LinkedIn [analysis and statistics]

What are the most used emojis on LinkedIn? Do the most used emojis on LinkedIn vary by language and country? In this analysis, discover exclusive statistics on the use of emojis on LinkedIn. If you’re passionate about LinkedIn statistics, don’t miss my other posts on the subject: hashtag statistics, the 3 factors that explain 55% of the virality of a LinkedIn post and the sentiments expressed in LinkedIn posts. Summary...

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Which are the most popular hashtags on LinkedIn?
Jun16

Which are the most popular hashtags on LinkedIn?

Hashtags on LinkedIn are probably one of the most popular topics about this social network. So naturally, there are assumptions about how LinkedIn’s algorithm uses hashtags. However, I have shown statistically here that hashtags do not significantly impact the virality of posts. Anyway, the dataset I have at my disposal (4.6 million posts) provides an exciting overview of the most used hashtags globally and the differences that...

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Tableau tutorial: a radial diagram and a pie chart
Jun09

Tableau tutorial: a radial diagram and a pie chart

How to make a radial diagram using Tableau? How to integrate a pie chart? In this article, I guide you step by step in the realization of this data visualization. Introduction For my subsequent research on fundraising in Europe, I wanted to test a data visualization in the form of a radial diagram. To get an even more exciting result, I integrated an interactive pie chart in its center. You will find 2 parts in this Tableau tutorial....

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The 11 challenges of data preparation and data wrangling
Jun07

The 11 challenges of data preparation and data wrangling

The events of 2020 have accelerated the shift to telecommuting and digital relationships. With digitalization, another transformation is also underway: the analytics transformation. To face this data revolution, I find that businesses do not necessarily have the right tools for preparing and analyzing data (data preparation or data wrangling). In this article, I wanted to put into perspective the role of these tools in the functioning...

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Data preparation: how to reduce the processing time by 85%
Jun02

Data preparation: how to reduce the processing time by 85%

In a previous article, I realized using a benchmark of 4 ETL solutions to process a file of one billion lines. Today I test the effect of SSD and proprietary file formats on processing speed in Alteryx, Tableau Prep, Talend, and Anatella. The results are quite unexpected. Introduction and review In my previous analysis, I compared the processing speed of 4 data preparation solutions: Alteryx, Talend, Tableau Prep, and Anatella. After...

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Here is the most crucial factor for the virality of your LinkedIn posts
May28

Here is the most crucial factor for the virality of your LinkedIn posts

After discussing the effect of emojis and the word count on the virality of LinkedIn posts, it’s time to reveal THE factor that crushes all others. This factor accounts for 1/3 of the success of your LinkedIn posts. So, you should take the time to read the research results I just conducted on 4.6 million LinkedIn posts in 193 countries. I obtained the unpublished results presented here thanks to data made available by Linkalyze....

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LinkedIn: engagement statistics by country and language [2021]
May26

LinkedIn: engagement statistics by country and language [2021]

How does engagement on LinkedIn vary by language and country? Globally, 71.06% of LinkedIn posts receive no comments, and 24.39% receive no likes. The analysis of 4.599 million LinkedIn posts gives us an objective view of the essential differences that exist. The data comes from a dataset made available by Linkalyze. The data preparation was realized using Anatella (Timi) and the visualization using Tableau. If you are interested in...

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