2352 search results for "time series"

Mortgages Are About Math: Open-Source Loan-Level Analysis of Fannie and Freddie

June 9, 2015
By
Mortgages Are About Math: Open-Source Loan-Level Analysis of Fannie and Freddie

ortgages were acknowledged to be the most mathematically complex securities in the marketplace. The complexity arose entirely out of the option the homeowner has to prepay his loan; it was poetic that the single financial complexity contributed to the marketplace by the common man was the Gordian knot giving the best brains on Wall Street a run...

Read more »

R in a 64 bit world

June 8, 2015
By
R in a 64 bit world

32 bit data structures (pointers, integer representations, single precision floating point) have been past their “best before date” for quite some time. R itself moved to a 64 bit memory model some time ago, but still has only 32 bit integers. This is going to get more and more awkward going forward. What is R … Continue reading...

Read more »

Using Azure as an R datasource: Part 2 – Pulling data from MySQL/MariaDB

June 2, 2015
By
Using Azure as an R datasource: Part 2 – Pulling data from MySQL/MariaDB

by Gregory Vandenbrouck Software Engineer, Mirosoft This post is the second in a series that covers pulling data from various Windows Azure hosted storage solutions (such as MySQL, or Microsoft SQL Server) to an R client on Windows or Linux. Last time we covered pulling data from SQL Azure to an R client on Windows. This time we’ll be...

Read more »

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 »

Recent popular posts

Sponsors

Mango solutions



RStudio homepage



Zero Inflated Models and Generalized Linear Mixed Models with R

Dommino data lab

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)