PinnedAndrea GriantiEuclidean Distance MatrixStep by step explanation to code a “one liner” EDM with basic algebra operationsMay 9, 20204May 9, 20204
PinnedAndrea GriantiinTowards Data ScienceCosine Similarity Matrix using broadcasting in PythonLearn how to code a (almost) one liner python function to calculate cosine similarity or correlation matrix used in data science.Dec 7, 2020Dec 7, 2020
Andrea GriantiBiking uphill by halving the effort(Basic trigonometry concepts applied to biking uphill)May 2May 2
Andrea GriantiSwitching Workbooks in Excel for MacThis article explains how to use shortcuts to switch between different open workbooks using Excel for MacMar 8, 2023Mar 8, 2023
Andrea GriantiThe Hungarian Algorithm: The quest for the best lineup for football teamsWith football players skill data, the usage of the hungarian algorithm (also called the Munkres algorithm), combinatorics and a bit of…May 12, 2022May 12, 2022
Andrea GriantiinTrading Data AnalysisLinear Regression with TA-LibUnderstanding how the Linear Regression functions in TA-Lib Python LibrSep 21, 20211Sep 21, 20211
Andrea GriantiInterpreting Principal Components: Football Players Use CaseWorkflow to interpret results of PCA using a correlation matrix of football player attributes from a popular videogameNov 25, 20201Nov 25, 20201
Andrea GriantiinTowards Data SciencePrincipal Component AnalysisStep by step intuition, mathematical principles and python code snippets behind one of the most important algorithms in unsupervised…Oct 8, 20202Oct 8, 20202
Andrea GriantiLinear Algebra and VectorsSome demonstrations, especially in the early definitions of vector operations, look simple but they hide traps that might be good to…Sep 2, 20201Sep 2, 20201
Andrea GriantiKmeans parameters in RStudio explainedThis is and articlae about understanding the input parameters and the output results of running the K Means algorithm in R Studio.Feb 8, 20202Feb 8, 20202