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Test For Randomness in R, How to check dataset randomness? Assume that a and b are symbols indicating the kind of items or numbers that make up a sequence and the test hypothesis is... The post Test For Randomness in R-How to check Dataset Randomness appeared first on finnstats. [Read more...]

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Emma Rand and Mine Çetinkaya-Rundel In September, we will be delivering a series of four online one-hour package development workshops. These are: Packages in a nutshell 20 September 2021 at 14:00 BST Register! Slides Setting up your system 21 September 2021 at 14:00 BST Register! Slides Your first package! 23 September 2021 at 14:00 BST… Continue reading R Forwards ?... [Read more...]

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In view of the current dramatic events in Afghanistan many wonder why the extensive international efforts to bring some stability to the country have failed so miserably. In this post, we will present and analytically examine a fascinating theory that seems to be able to explain political (in-)stability almost ... [Read more...]

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Click to see R set-up code

# Libraries
if(!require("pacman")) {
  install.packages("pacman")
}
pacman::p_load(
  data.table
  )

# Set knitr params
knitr::opts_chunk$set(
  comment = NA,
  fig.width = 12,
  fig.height = 8,
  out.width = '100%'
)

Introduction As we discussed in our last post Introducing the Redwall ‘Red Flag’ Explorer with New Constructs Data, we were able to test the response of 125,000 quarterly and annual financial statements to incidence of “red flag” ratios, but some of the most interesting ... [Read more...]

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In this third and last blog post about machine learning strategy I will talk about the problems of different distributions of train, development and test set and about learning from multiple tasks. [Read more...]

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