WASP and other flow and water quality models ask users to input multiplier and exponent values relating velocity and depth to discharge. These relationships take the form of V=aQ^b and...continue reading.
From Safari Books Online (https://www.safaribooksonline.com/blog/2016/02/10/data-science-qa/) —Recently, we were able to ask five questions of Murtaza Haider, about the new book from IBM Press called “Getting Started with Data Science: Making Se…continue reading.
Overfitting is a concern for overly complex models. When a model suffers from the overfitting, it will tend to over-explain the model training data and can’t generalize well in the...continue reading.
I came across a stackoverflow post the other day touching on first differencing and decided to write a quick review of the topic as well as related random effects and...continue reading.
When testing trading strategies a common approach is to divide the initial data set into in sample data: the part of the data designed to calibrate the model and out of...continue reading.
Analyzing my (and others’) git activity – Click here to explore the data yourself Yesterday I saw this retweet from @timelyportfolio that links to a gist by @gka. The gist...continue reading.
I saw this tweet making the rounds this past week. Half of all Americans live in the red counties, half live in the orange counties pic.twitter.com/ptBXNbzSFQ— Conrad Hackett (@conradhackett) August...continue reading.
Learn how to use yaml to define hierarchic models with business logic in R. The post YAML: Define an R function appeared first on ipub.continue reading.
Data science Data science is a critical component of many domains of research including the domain I primarily function – ecology. However, in teaching biostatistics within the university context, we...continue reading.
Want to Master R? There’s no better time or place if you’re within an easy train, plane, automobile ride or a short jog of Hadley Wickham’s workshop on September 12th...continue reading.
We proudly announce the release of RQGIS! RQGIS establishes an interface between R and QGIS, i.e. it allows the user to access the more than 1000 QGIS geoalgorithms from within...continue reading.
I’m pleased to announce tidyr 0.6.0. tidyr makes it easy to “tidy” your data, storing it in a consistent form so that it’s easy to manipulate, visualise and model. Tidy...continue reading.
In 2014, EPA documented the relative lack of nutrient data from waste water treatment plant effluents, even though development of surface water quality standards for nitrogen and phosphorus has been...continue reading.
During testing and development, it is sometimes necessary to rerun tasks that take quite a long time. One option is … Read More →continue reading.
From HuffingtonPostThe New York Times made it look so easy. Take a few courses in data science and a web-based startup will readily pay top dollars for your newly acquired skills.Since the McKinsey...continue reading.
For multilingual websites built with Django the extension django-hvad is a must, since it allows to specify, edit and fetch … Read More →continue reading.
The R package DT v0.2 is on CRAN now. You may install it from CRAN via install.packages(‘DT’) or update your R packages if you have already installed it before. It...continue reading.
In statistics, various correlation functions, either Spearman or Pearson, have been used to measure the dependence between two data vectors under the linear or monotonic assumption. Mutual Information (MI) is...continue reading.
Over the last few months I have been spending my nights taking care of my newly born second daughter. Keeping me company during the sleepless wee hours of the morning...continue reading.
Over the last few months I have been spending my nights taking care of my newly born second daughter. Keeping me company during the sleepless wee hours of the morning...continue reading.
GIS / R / R News / Shiny / Visualization
Interactive visualization of geospatial data with R Shiny
April 17, 2021
