Appraisers: Give 10% off Statwing, Get 10% off Statwing

By giving a 10% discount off of Statwing to other appraisers, you can now get Statwing for 10% off, 20% off, or even for free. When you next sign into Statwing you’ll see a “Get 10% off” button in the upper right:

get 10 percent off

Click that to get a personalized link:

personal link

Copy that link and send it to other appraisers who aren’t currently Statwing users, along with your thoughts on why they should check out Statwing.

Appraisers who click the link, sign up to Statwing, and eventually subscribe get 10% off of Statwing for their first year – that’s the equivalent of $60 off. And you’ll get 10% off for the next year, so everyone wins.

For each additional appraiser who subscribes through your link you’ll get another 10% off – so if ten other appraisers subscribe to Statwing through your link, you’ll get Statwing for free.

Appraisers who have already paid for an annual account will get 10% off their next year’s subscription and a refund of 10% of the already-purchased license, a $90 value.

To get started, go sign into your account and grab your personalized link.

Note: This program is currently open only to Statwing’s real estate appraisal customers.

Fannie Mae: GLA Adjustments Should Be Higher

Fannie Mae announced last week that it is concerned that many GLA adjustments are “artificially low.” As evidence, they noted that more expensive homes have much higher Price/GLAs than less expensive homes, but only slightly higher GLA adjustments: (Click for a larger version)   Fannie Mae implicitly blamed both itself and automated review systems: “TheContinue Reading

Delightful logistic regression

Not unexpectedly, we followed up linear regression with logistic regression.It’s ready to go, so give it a shot with our demo dataset, predicting how likely someone is to be married based on their age, sex, religion, and anything else you’d like to use to predict it:

Delightful multiple linear regression is finally here!

We’ve finally finished multiple linear regression, and it’s awesome. You’ll never find an easier way to disentangle how input variables affect an output variable.Results explained in plain EnglishAutomatic alerts about issues with the regression model, and how to fix themAutomatic visualizationsTwo-click data transformations to improve your modelPlainly written guides to the regression process and interpretingContinue Reading

Statwing integrates with Quandl

Next time you use Quandl, click the “Statwing” button to statistically analyze a Quandl dataset.Let’s say you were looking at this Quandl dataset of bitcoin prices over time. You’d click the “Statwing” button in the right sidebar, find yourself in Statwing, and then start playing with the data.In two clicks you can get a niceContinue Reading

Creating new variables and cleaning data in Statwing

You can now create new variables for analysis in Statwing: Type Example Bucketing numbers into groups 6-7 → “Satisfied” 3-5 → “Neutral” 1-2 → “Unsatisfied” Grouping categories together USA & Mexico & Canada → “North America” Colombia & Venezuela & (etc.) → “South America” Mathematical functions and formulas =median(Score1, Score2, Score3) → median of theContinue Reading

Yelp Dataset Challenge

Yelp is awarding $50k+ in prizes for interesting analyses as part of its Dataset Challenge.We’ve loaded its dataset of ~42k businesses, their ratings, and their attributes into Statwing to make them easy to explore.Check it out.

Data from Defense Department Program 1033

The New York Times just released a dataset with every order from state and local governments for surplus military items (the result of a Freedom of Information Act request).We’ve loaded the dataset into Statwing to make it easy to explore.Check it out.

Every MLB pitch thrown in 2014

We found a really fun dataset to play around with: every Major League Baseball pitch thrown so far in 2014, as tracked by the PITCHf/x system. It includes everything you’d want to know about a pitch: it’s speed, the type of pitch, how much it broke on each spatial axis, how many men were onContinue Reading

Could we beat Germany if players born in December weren’t discriminated against?

Players in the 2014 World Cup tended to be born in the earlier months of the year:What gives?Most countries’ youth soccer teams are broken up such that all players born in a given year are in one age group together. Players born in January are 11 months older than December-born players on their same team.Continue Reading