Non-Linear Model in R Exercises

June 21, 2018
By

A mechanistic model for the relationship between x and y sometimes needs parameter estimation. When model linearisation does not work,we need to use non-linear modelling. There are three main differences between non-linear and linear modelling in R: 1. specify the exact nature of the equation 2. replace the lm() with nls() which means nonlinear least Related exercise sets:Spatial Data...

Read more »

Explaining Keras image classification models with lime

June 20, 2018
By
Explaining Keras image classification models with lime

Last week I published a blog post about how easy it is to train image classification models with Keras. What I did not show in that post was how to...

Read more »

Scraping Responsibly with R

Scraping Responsibly with R

I recently wrote a blog post here comparing the number of CRAN downloads an R package gets relative to its number of stars on GitHub. What I didn’t...

Read more »

Le Monde puzzle [#1053]

June 20, 2018
By
Le Monde puzzle [#1053]

An easy arithmetic Le Monde mathematical puzzle again: If coins come in units of 1, x, and y, what is the optimal value of (x,y) that minimises the number...

Read more »

PYPL Language Rankings: Python ranks #1, R at #7 in popularity

June 20, 2018
By
PYPL Language Rankings: Python ranks #1, R at #7 in popularity

The new PYPL Popularity of Programming Languages (June 2018) index ranks Python at #1 and R at #7. Like the similar TIOBE language index, the PYPL index uses Google...

Read more »

Big News: vtreat 1.2.0 is Available on CRAN, and it is now Big Data Capable

June 20, 2018
By

We here at Win-Vector LLC have some really big news we would please like the R-community’s help sharing. vtreat version 1.2.0 is now available on CRAN, and this version...

Read more »

Neural Networks Are Essentially Polynomial Regression

June 20, 2018
By

You may be interested in my new arXiv paper, joint work with Xi Cheng, an undergraduate at UC Davis (now heading to Cornell for grad school); Bohdan Khomtchouk, a...

Read more »

Intro To Time Series Analysis Part 2 :Exercises

June 19, 2018
By
Intro To Time Series Analysis Part 2 :Exercises

In the exercises below, we will explore more in Time Series analysis.The previous exercise is here,Please follow this in sequence Answers to these exercises are available here. Exercise 1...

Read more »

Reading and analysing log files in the RRD database format

June 19, 2018
By
Reading and analysing log files in the RRD database format

I have frequent conversations with R champions and Systems Administrators responsible for R, in which they ask how they can measure and analyze the usage of their servers. ...

Read more »

a chain of collapses

June 19, 2018
By
a chain of collapses

A quick riddler resolution during a committee meeting (!) of a short riddle: 36 houses stand in a row and collapse at times t=1,2,..,36. In addition, once a house...

Read more »

Searching For Unicorns (And Other NBA Myths)

June 19, 2018
By
Searching For Unicorns (And Other NBA Myths)

A visual exploration of the 2017-2018 NBA landscape The modern NBA landscape is rapidly changing. Steph Curry has redefined the lead guard prototype with jaw-dropping shooting range coupled with...

Read more »

Dear data scientists, how to ease your job

June 19, 2018
By
Dear data scientists, how to ease your job

You have got the best job of the 21st century. Like a treasure hunter, looking for a data treasure chest while sailing through data lakes. In many companies you...

Read more »

11 Jobs for R users from around the world (2018-06-19)

June 18, 2018
By
11 Jobs for R users from around the world (2018-06-19)

To post your R job on the next post Just visit  this link and post a new R job  to the R community. You can post a job for  free  (and there are...

Read more »

RStudio Connect v1.6.4

June 18, 2018
By
RStudio Connect v1.6.4

RStudio Connect version 1.6.4 is now available! There are a few breaking changes and a handful of new features that are highlighted below. We encourage you to upgrade as soon as...

Read more »

Chat with the rOpenSci team at upcoming meetings

You can find members of the rOpenSci team at various meetings and workshops around the world. Come say ‘hi’, learn about how our software packages can enable your research,...

Read more »

Copy/paste t-tests Directly to Manuscripts

June 18, 2018
By
Copy/paste t-tests Directly to Manuscripts

Do a t-test APA formatted output Flexibility Dataframe of Values Contribute Credits Previous blogposts One of the most time-consuming part of data analysis in...

Read more »

R vs Python: Image Classification with Keras

June 18, 2018
By
R vs Python: Image Classification with Keras

Even though the libraries for R from Python, or Python from R code execution existed since years and despite of a recent announcement of Ursa Labs foundation by Wes...

Read more »

Linear Regression, with Map-Reduce

June 18, 2018
By

Sometimes, with big data, matrices are too big to handle, and it is possible to use tricks to numerically still do the map. Map-Reduce is one of those. With...

Read more »

Statistics Sunday: Accessing the YouTube API with tuber

June 18, 2018
By
Statistics Sunday: Accessing the YouTube API with tuber

I haven't had a lot of time to play with this but yesterday, I discovered the tuber R package, which allows you to interact with the YouTube API.To use...

Read more »

Effectively scaling Shiny in enterprise

June 18, 2018
By
Effectively scaling Shiny in enterprise

...

Read more »

Not only LIME

June 18, 2018
By
Not only LIME

I’ve heard about a number of consulting companies, that decided to use simple linear model instead of a black box model with higher performance, because ,,client wants to understand...

Read more »

bounceR 0.1.2: Automated Feature Selection

June 18, 2018
By
bounceR 0.1.2: Automated Feature Selection

New Features As promised, we kept on working on our bounceR package. For once, we changed the interface: users now do not have to choose a number of tuning...

Read more »

Delayed Future(Slides from eRum 2018)

June 17, 2018
By
Delayed Future(Slides from eRum 2018)

As promised - though a bit delayed - below are links to my slides and the video of my talk on Future: Parallel & Distributed Processing in R for...

Read more »

Most Starred R Packages on GitHub

Most Starred R Packages on GitHub

It seems like all the best R packages proudly use GitHub and have a README adorned with badges across the top. The recent Microsoft acquisition of GitHub got me...

Read more »

Sketchnotes from TWiML&AI: Practical Deep Learning with Rachel Thomas

June 17, 2018
By
Sketchnotes from TWiML&AI: Practical Deep Learning with Rachel Thomas

These are my sketchnotes for Sam Charrington’s podcast This Week in Machine Learning and AI about Practical Deep Learning with Rachel Thomas: Sketchnotes from TWiMLAI talk: Practical Deep Learning with...

Read more »

How Much Money Should Machines Earn?

June 17, 2018
By

Every inch of sky’s got a star Every inch of skin’s got a scar (Everything Now, Arcade Fire) I think that a very good way to start with R...

Read more »

Version 0.6-11 of NIMBLE released

June 16, 2018
By
Version 0.6-11 of NIMBLE released

We’ve released the newest version of NIMBLE on CRAN and on our website. Version 0.6-11 has important new features, notably support for Bayesian nonparametric mixture modeling, and more are...

Read more »

Prediction Interval, the wider sister of Confidence Interval

June 15, 2018
By
Prediction Interval, the wider sister of Confidence Interval

In this post, I will illustrate the use of prediction intervals for the comparison of measurement methods. In the example, a new spectral method for measuring whole blood hemoglobin...

Read more »

Interpreting machine learning models with the lime package for R

June 15, 2018
By
Interpreting machine learning models with the lime package for R

Many types of machine learning classifiers, not least commonly-used techniques like ensemble models and neural networks, are notoriously difficult to interpret. If the model produces a surprising label for...

Read more »

Search R-bloggers


Sponsors

Mango solutions





Zero Inflated Models and Generalized Linear Mixed Models with R



datasciencego.com

Quantide: statistical consulting and training

ODSC2 west

ODSC1_london

datasociety

http://www.eoda.de

max kuhn









Six Sigma Online Training



mljar.com

datazar.com

Our ads respect your privacy. Read our Privacy Policy page to learn more.

Contact us if you wish to help support R-bloggers, and place your banner here.