随笔分类 - R
R语言学习分享
摘要：Converting to NIMBLE from JAGS, OpenBUGS or WinBUGS NIMBLE is a hierarchical modeling package that uses nearly the same modeling language as the popul
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摘要：Another correlation function?! Yes, the correlation function from the psycho package. devtools::install_github("neuropsychology/psycho.R") # Install t
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摘要：I was surprised by greta. I had assumed that the tensorflow and reticulate packages would eventually enable R developers to look beyond deep learning
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摘要：If your primary objective is to query your data in Hadoop to browse, manipulate, and extract it into R, then you probably want to use SQL. You can wri
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摘要：This weekend, I decided it was time: I was going to update my Python environment and get Keras and Tensorflow installed so I could start doing tutoria
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摘要：As with many aspects of the tidyverse, its non-standard evaluation (NSE) implementation is not something entirely new, but built on top of base R. Wha
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摘要：最近入手一台GTX 1070的笔记本，手痒想在win10上试下GPU跑模型，所以就有了接下来的安装GPU版mxnet的坎坷历程，经过多重试验终于搞定了python和R安装mxnet，现将主要点记录如下: 本人主要参考这2篇博文： https://my.oschina.net/qinhui99/blo
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摘要：When working with big data with R (say, using Spark and sparklyr) we have found it very convenient to keep data handles in a neat list ordata_frame. P
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摘要：Unsupervised learning refers to data science approaches that involve learning without a prior knowledge about the classification of sample data. In Wi
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摘要：Recently we were building a Shiny App in which we had to load data from a very large dataframe. It was directly impacting the app initialization time,
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摘要：@drsimonj here to show you how to conduct ridge regression (linear regression with L2 regularization) in R using the glmnet package, and use simulatio
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摘要：I want to give a quick tutorial on fitting Linear Mixed Models (hierarchical models) with a full variance-covariance matrix for random effects (what B
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摘要：Around September of 2016 I wrote two articles on using Python for accessing, visualizing, and evaluating trading strategies (see part 1 and part 2). T
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摘要：purrr is package that extends R’s functional programming capabilities. It brings a lot of new stuff to the table and in this post I show you some of t
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摘要：A Quick Overview of the ggplot2 Package in R While it will be important to focus on theory, I want to explain the ggplot2 package because I will be us
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摘要：Today, I want to show how I use Thomas Lin Pederson’s awesome ggraph package to plot decision trees from Random Forest models. I am very much a visual
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摘要：Introduction to Data Visualization – Theory, R & ggplot2 The topic of data visualization is very popular in the data science community. The market siz
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摘要：The R qgraph Package: Using R to Visualize Complex Relationships Among Variables in a Large Dataset, Part One A Tutorial by D. M. Wiig, Professor of P
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摘要：In this blog post I share some lesser-known (at least I believe they are) tricks that use mainly functions from dplyr. Removing unneeded columns Did y
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摘要：While R's base graphics library is almost limitlessly flexible when it comes to create static graphics and data visualizations, new Web-based technolo
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