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Word embedding is a method used to map words of a vocabulary to dense vectors of real numbers where semanticaly similar words are mapped to nearby points. Representing words in this vector space help algorithms achieve better performance in na... [Read more...]

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After having watched Justice League in cinema, I was impressed by all of the special effects and how good they were. I started wondering myself: How much does a movie like that cost? And most importantly, how big is the box-office revenue for this kind of blockbuster? I found an ... [Read more...]

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Below are predictions for 10-2017 autosales for each auto brand. I modeled monthley car sales by nameplate (eg Camry, Civic, etc), predicted one step ahead forecast and summed by manufacture. The model is a state-space model with trend and seasonality ... [Read more...]

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A growing community of scientists from a variety of disciplines is moving the norms of scientific research toward open practices. Supporters of open science hope to increase the quality and efficiency of research by enabling the widespread sharing of d... [Read more...]

One of the greatest assets human beings possess is the power of speech and language, from which almost all our other accomplishments flow. To be able to analyse communication offers us a chance to gain a greater understanding of one another. To help yo... [Read more...]

What is rrricanes Why Write rrricanes? There is a tremendous amount of weather data available on the internet. Much of it is in raw format and not very easy to obtain. Hurricane data is no different. When one thinks of this data they may be inclined to... [Read more...]

Take a look at the data This is a phrase that comes up when you first get a dataset. It is also ambiguous. Does it mean to do some exploratory modelling? Or make some histograms, scatterplots, and boxplots? Is it both? Starting down either path, you o... [Read more...]

Name: switzerland Type: mchoice Related: swisscapital Description: Knowledge quiz question (about Switzerland) with 2 correct and 3 false alternatives which are shuffled randomly in each version of the exercise. Solution feedback: Yes Randomization: Shuffling Mathematical notation: No Verbatim R input/output: No Images: No Other supplements: No Template: switzerland.Rnw switzerland.Rmd ... [Read more...]

Name: tstat Type: num Related: tstat2 Description: Computing the 1-sample t-test statistic from randomly-drawn hypothesized mean, sample size, and empirical mean and variance. Solution feedback: Yes Randomization: Random numbers Mathematical notation: Yes Verbatim R input/output: No Images: No Other supplements: No Template: tstat.Rnw tstat.Rmd Raw: (1 random version) ... [Read more...]

I’m pleased to announce that bigrquery 0.4.0 is now on CRAN. bigrquery makes it possible to talk to Google’s BigQuery cloud database. It provides both DBI and dplyr backends so you can interact with BigQuery using either low-level SQL or high-level dplyr verbs. Install the latest version of bigrquery ... [Read more...]

I have 8 packages published within the Bioconductor project. ChIPseeker clusterProfiler DOSE ggtree GOSemSim meshes ReactomePA treeio A new package treeio was included in BioC 3.5 release. ChIPseeker Bug fixed of intron rank and optimized getGeneAnno function. clusterProfiler Defined simplify generics as it was removed from IRanges. enrichGO now supports ont="ALL" ... [Read more...]

I regularly get asked why I don’t consider monthly seasonality in my models for daily or sub-daily time series. For example, this recent comment on my post on seasonal periods, or this comment on my post on daily data. The fact is, I’ve never seen a time series ... [Read more...]

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