2329 search results for "time series"

How To Analyze Data: Seven Modern Remakes Of The Most Famous Graphs Ever Made

June 2, 2015
By
How To Analyze Data: Seven Modern Remakes Of The Most Famous Graphs Ever Made

Graphs can be beautiful, powerful tools. Graphs help us explore and explain the world. For hundreds of years, humans have used graphs to tell stories with data. To pay homage to the history of data visualization and to the power of graphs, we’ve recreated the most iconic graphs ever made. Some are remakes of the original shown in a...

Read more »

Statistical Models with a Point of View: First vs. Third Person

June 2, 2015
By
Statistical Models with a Point of View: First vs. Third Person

Marketing data can be collected in the first or third person, and we require different statistical models for each point of view.Netflix encourages you to adopt a third-person perspective when it surveys your taste preferences by asking how often you w...

Read more »

Cluster analysis on earthquake data from USGS

June 1, 2015
By
Cluster analysis on earthquake data from USGS

Theoretical BackgroundIn some cases we would like to classify the events we have in our dataset based on their spatial location or on some other data. As an example we can return to the epidemiological scenario in which we want to determine if the spread of a certain disease is affected by the presence of a particular source of...

Read more »

Analysing the Twitter Mentions Network

June 1, 2015
By
Analysing the Twitter Mentions Network

By Douglas Ashton, Consultant One of the big successes of data analytics is the cultural change in how business decisions are being made. There is now wide spread acceptance of the role that data science has to play in decision … Continue reading →

Read more »

Top of the Heap: How Much Can We Learn from Partial Rankings?

May 30, 2015
By
Top of the Heap: How Much Can We Learn from Partial Rankings?

The recommendation system gives you a long list of alternatives, but the consumer clicks on only a handful: most appealing first, then the second best, and so on until they stop with all the remaining receiving the same rating as not interesting enough...

Read more »

Situational Baseball: Analyzing Runs Potential Statistics

May 26, 2015
By

By Mark Malter A few weeks ago, I wrote about my Baseball Stats R shiny application, where I demonstrated how to calculate runs expectancies based on the 24 possible bases/outs states for any plate appearance. In this article, I’ll explain how I expanded on that to calculate the probability of winning the game, based on the current score/inning/bases/outs state....

Read more »

Interactive maps of Crime data in Greater London

May 25, 2015
By
Interactive maps of Crime data in Greater London

In the previous post we looked at ways to perform some introductory point pattern analysis of open data downloaded from Police.uk. As you remember we subset the dataset of crimes in the Greater London area, extracting only the drug related ones. Subseq...

Read more »

Simulation-based power analysis using proportional odds logistic regression

May 22, 2015
By
Simulation-based power analysis using proportional odds logistic regression

Consider planning a clinicial trial where patients are randomized in permuted blocks of size four to either a 'control' or 'treatment' group. The outcome is measured on an 11-point ordinal scale (e.g., the numerical rating scale for pain). It may be reasonable to evaluate the results of this trial using a proportional odds cumulative logit

Read more »

Introductory Point Pattern Analysis of Open Crime Data in London

May 21, 2015
By
Introductory Point Pattern Analysis of Open Crime Data in London

IntroductionPolice in Britain (http://data.police.uk/) not only register every single crime they encounter, and include coordinates, but also distribute their data free on the web.They have two ways of distributing data: the first is through an API, which is extremely easy to use but returns only a limited number of crimes for each request, the second is...

Read more »

Are Canadian newspapers painting false pictures with data?

May 20, 2015
By
Are Canadian newspapers painting false pictures with data?

The Canadian newspaper, Globe and Mail, is a leader in diction and style, but it may need improvement in the ‘grammar of graphics’.Globe’s recent depiction of metropolitan economic growth in the series Off the Charts was way off the mark. The chart plotted the current and forecasted GDP growth rates for select cities in Canada. The...

Read more »

Sponsors

Mango solutions



RStudio homepage



Zero Inflated Models and Generalized Linear Mixed Models with R

Quantide: statistical consulting and training



http://www.eoda.de







ODSC

ODSC

CRC R books series





Six Sigma Online Training





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

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)