Authors

Markus Gesmann 215

05.01.2012

I am currently co-writing the vignette for the ChainLadder package and wonder what I should be focusing on. I have co-written the vignette of the googleVis package in the past and based it purely and what I thought would work. So, this...

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Dario Radečić 214

5 Minute Guide to Detecting Holidays in Python Latest

09.11.2019

If you decide to dive deep into data analysis and want to, for example, analyze purchasing trends, you’ll probably want to construct a new attribute in your dataset having only two possible outcomes — 0 or 1 — is a holiday, isn’t a...

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Ch1.2.2 Latest

26.08.2020

Ch1.2.2 Data Structures What is a Data Structure? A data structure is: a collection of data values together with the functions or operations that can be applied to the data Examples of Data Structures Some useful data structures for numerical...

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Wingfeet 197

What is R-index Latest

02.03.2012

R index is developed in interpreting signal detection data for human perception. In sensory research it is used to interpret ranking data. The value one gets out of an R-index calculation is interpreted as a confusion between samples...

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Harold Nelson 192

Notes CSC 530 Nov 25 Latest

26.11.2019

Hyperparameter Tuning I’ll take an example from Kuhn’s documentation on github. This uses a support vector machine with a radial kernel to distinguish between mines and rocks using sonar data. The particulars of the example are unimportant....

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Econometrics and Free Software 190

Bootstrapping standard errors for difference-in-differences estimation with R Latest

10.11.2015

I’m currently working on a paper (with my colleague Vincent Vergnat who is also a Phd candidate at BETA) where I want to estimate the causal impact of the birth of a child on hourly and daily wages as well as yearly worked hours. For this we are...

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tomaztsql 186

Effect of normalization of data Latest

26.04.2016

Clustering (distributed in particular) can be dependent on normalization of data. With usage of distance models, data – when clustered – can produce different results or even different clustering models. A simple every day example can...

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jstats1702 184

Programación en R - Introducción Latest

21.02.2022

# '#' se utiliza para escribir 'comentarios' # 1+1 1+1 ## [1] 2 # algunos atajos # limpiar la consola : Ctrl + L # correr codigo : Ctrl + Enter # ir al script : Ctrl + 1 # ir a la consala : Ctrl + 2 # aumentar zoom :...

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Lecture 31: Correlation between numerical variables Latest

02.12.2019

Correlation between numerical variablesM. Drew LaMarDecember 2, 2019 Statistics are like bikinis. What they reveal is suggestive, but what they conceal is vital. - Aaron Levenstein Do not put your faith in what statistics say until you have...

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Penelope Pooler Eisenbies 179

BUA 455 - Lecture 1 Latest

02.02.2021

Today’s Lecture We’ll start using R and R Studio Complete a simple exercise and simulation to learn R syntax and functionality NOTES: Before we look at any code: Remember that R is case-sensitive R Code is shown in Grey Boxes and R Output...

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