Google Prediction API for .NET
This project is currently broken - OAuth 2.0 is not supported. OAuth 2.0 support is anticipated for mid-August 2011.
It's the Google Prediction API in a very convenient .NET library, written in C#.
Please read the Getting Started Guide.
Demo of the WinForms GUI built using the library

Syntax Examples
/// SIMPLE
INSTANTIATION
Google.API.Predict.GooglePredictionClient
g =
new
Google.API.Predict.GooglePredictionClient("you@gmail.com",
"password",
"bucket",
"data");
/// INITIATE
TRAINING
Google.API.Predict.Responses.TrainingResponse
train =
g.Train();
/// RETRIEVE
META DATA
/// Data and
Model Info Fields
Google.API.Predict.Responses.MetadataResponse
meta =
g.Check();
/// MIXED PREDICTION
Google.API.Predict.Requests.MixedPrediction
mixed =
new
Google.API.Predict.Requests.MixedPrediction(1,
"test",
1.5);
Google.API.Predict.Responses.PredictionResponse
mixedResponse =
g.PredictMixed(mixed);
/// NUMERIC
PREDICTION
Google.API.Predict.Requests.NumericPrediction
numeric =
new
Google.API.Predict.Requests.NumericPrediction(21.25645,
112.359);
Google.API.Predict.Responses.PredictionResponse
numericResponse =
g.PredictNumeric(numeric);
/// TEXT PREDICTION
Google.API.Predict.Requests.TextPrediction
text =
new
Google.API.Predict.Requests.TextPrediction("testing",
"text");
Google.API.Predict.Responses.PredictionResponse
textResponse =
g.PredictText(text);