In a recent blog post, I introduced an easy and efficient way to create indicator variables from categorical variables in SAS. This method pretends to run logistic regression, but it...continue reading.
Introduction In statistics and biostatistics, the creation of binary indicators is a very useful practice. They can be useful predictor variables in statistical models. They can reduce the amount of...continue reading.
(require ‘[huri.core :as h] ‘[clojure.core.matrix.dataset :as d] ‘[incanter.core :as i]) (def ds [{:id 1.0 :name “name1”} {:id 2.0 :name “name2”} {:id 3.0 :name “name3”}]) ;; UPDATE THE :NAME COLUMN IN...continue reading.
(require ‘[huri.core :as h] ‘[clojure.core.matrix.dataset :as d] ‘[incanter.core :as i]) (def ds [{:id 1.0 :name “name1”} {:id 2.0 :name “name2”} {:id 3.0 :name “name3”}]) ;; ADD 2 COLUMNS TO THE...continue reading.
Salekhard (66.53 °N, 66.67 °E) is located in Yamalia at the Northern end of the Ural mountain range. 95% of the daily average temperatures observed at Salekhard weather station since 1882 fall within…continue reading.
Introduction Web-based surveys offer a quick and effective way to collect data. Several companies sell software-as-a-service which makes the construction of surveys quite easy using only a web browser. At...continue reading.
Con las bombas que tiran los fanfarrones, se hacen las gaditanas tirabuzones (Palma y corona, Carmen Linares) This time I draw Franky again using an algorithm to solve the Travelling...continue reading.
My R package powerlmm 0.3.0 is now out on CRAN. It can be installed from CRAN https://cran.r-project.org/package=powerlmm or GitHub https://github.com/rpsychologist/powerlmm. New features This version adds support for raw effect sizes,...continue reading.
I am going to be giving this course on 17 August this year. It is organised by my company BayesCamp … Morecontinue reading.
The compositional data are proportionals of mutually exclusive groups that would be summed up to the unity. Statistical models for compositional data have been applicable in a number of areas,...continue reading.
(require ‘[huri.core :as h] ‘[clojure.core.matrix.dataset :as d] ‘[incanter.core :as i]) ;; FROM MAP OF ROWS TO MAP OF COLUMNS (def byRow [{:x 1 :y “a”} {:x 2 :y “b”} {:x...continue reading.
This is some unpublished work that I started a few years ago and never finished. Power is the chance that … Morecontinue reading.
Here’s the slides from a talk I gave recently at Stockholm University: “Power Analysis for Longitudinal 2- and 3-Level Models: Challenges and Some Solutions Using the R Package powerlmm”. The...continue reading.
(require ‘[tnoda.rashinban :as rr] ‘[tnoda.rashinban.core :as rc] ‘[clojure.core.matrix.dataset :as dt] ‘[clojure.core.matrix.impl.dataset :as id]) ;; CREATE A TOY DATA (def ds [{:id 1.0 :name “name1”} {:id 2.0 :n…continue reading.
Have you ever found yourself asking “how can I make sure I don’t miss the next version release of package X”? That’s the exact problem I set out to solve...continue reading.
If you’re reading this, you’ve either encountered this problem before, or you just got to this article out of curiosity (in which case you probably don’t know what problem I’m...continue reading.
An R programming tutorial by D.M. Wiig This post is contained in a .pdf document. To access the document click on the green link shown below. qgraphpost3continue reading.
(require ‘[ultra-csv.core :refer [read-csv]] ‘[criterium.core :refer [quick-bench]] ‘[clojure.set :refer [index]]) (def ds (read-csv “/home/liuwensui/Downloads/nycflights.csv”)) ;; FASTEST (quick-bench (map (fn [x] {:year (f…continue reading.
(require ‘[clojure.pprint :refer [print-table] :rename {print-table p}] ‘[clojure.set :as s] ‘[clojure.core.reducers :as r]) ;; CREATE TOY DATASETS (def ds1 [{:id 1 :name “name1”} {:id 2 :name “name2”} …continue reading.
I have noticed even people who claim everything is predestined, and that we can do nothing to change it, look before they cross the road (Stephen Hawking) Imagine a salesman...continue reading.
Artificial intelligence / Deep neural networks / Keras / R / R News / Spark
April 22, 2024
GIS / R / R News / Shiny / Visualization
Interactive visualization of geospatial data with R Shiny
April 17, 2021
