Analytics in Action: Analytics "du Vin" - a data-driven approach! Tânia Santos 04/09/2019 analytics statistics big data consumer wine quality price In this post we talk about wine + analytics. Using a data-driven approach we aim to answer some questions about wine using the power of analytics.
What data analytics can do for you? Ricardo Lourenço 04/02/2019 data analytics data science methodology value process statistics Data analytics is a critical process which helps us gather, clean, inspect and model data to attain useful information concerning the respective matter. The useful information helps us support our conclusion to make the smartest decisions. In this post we start talking about what data analytics can do for us and its importance.
How Cronbach's alpha works? Tânia Santos 03/25/2019 cronbach's alpha reliability internal consistency composite reliability guttman's lambda average inter-item correlation data analysis This post talks about Cronbach's alpha in Reliability Analysis. It measures the internal consistency of a construct, based on average inter-item correlation, and show how closely related a set of items are as a group.
One-way Anova: Positional effect on the height of soccer players of the top 16 teams in the UEFA Champions League 2018/2019 Ricardo Lourenço 03/20/2019 analysis of variance statistical methods groups anova post-hoc data analysis hypothesis sport analytics soccer champions league Analysis of variance (ANOVA) is a general method of drawing conclusions regarding differences in population means when three or more comparison groups are involved. In this blog post we explore that in order to know the effect of position (goalkeeper, defender, midfielder or forward) on the height of soccer players.
What is simple regression analysis? Ricardo Lourenço 03/13/2019 regression analysis linear regression statistical methods data analytics (Simple) Linear Regression Analysis is concerned with specifying the relationship between a single numeric dependent variable (the value to be predicted) and one numeric independent variable (the predictor). This post intends to be a short introduction to Linear Regression Analysis.
How Correlation Analysis Works? Tânia Santos 03/06/2019 correlation pearson spearman patterns data analysis This post talks about Correlation Analysis.In general, correlation allows to understand how two continuous variables are related, the strength of that relationship and its direction. Let's check how to do it!
IS DATA THE HERO? The Top 10 Strategic Technology Trends for 2019 Ricardo Lourenço 02/26/2019 trends analytics technology gartner Last November another exciting report about the Top 10 Strategic Technology Trends for 2019 (Gartner, 2018) appeared, in this post we will try to summarize the key ideas. One thing is sure analytics will shape the future and it will play a central role in the emerging tech that is now redefining the relationships between humans and machines.
How cluster analysis works? Ricardo Lourenço 02/26/2019 cluster analysis k-means elbow curve profiling groups Cluster analysis is a technique designed to reveal natural groupings within a collection of data. With Quark Analytics Portal you can access to this technique. There are a lot of clustering algorithms but one of the most common is K-Means clustering.
