Code Archives - Data never lie

Install JVM xgboost package

Install JVM xgboost package to interface to Apache Spark For a complete guide and documentation, please refer to the official xgoost documentation. Here, I'm just reporting a quick start to…

Code Data Science

Build and install Spark on Linux platform.

Build and install Spark on a Linux platform Here a short guide to build, install and configure Apache Spark on a Linux platform. You can decide which Spark release install…

Code Data Science

A growing post which gathers short pieces of code Let's suppose spark to be an opened spark session. # Open a spark session spark = SparkSession \ .builder.config(conf=conf) \ .appName("code-test").getOrCreate()…

Code Data Science kaggle

Spark and XGBoost using Scala

Spark and XGBoost using Scala language Recently XGBoost project released a package on github where it is included interface to scala, java and spark (more info at this link). I…

Code Python

So much noise on a plane! Introducing the Power Spectral Density

Power spectral density (PSD) Wavy has been a little absent in the last period, engaged in several trips. During last trip and reflecting about the sound he heard on the…

Code Python

Curious about what Signal Processing is?

Are you curious to know what is Signal Processing? Have you have ever heard "we need to process the signal"or "we need to analyse the data" and you want to…