| #------------------------------------------------------------- |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| #------------------------------------------------------------- |
| |
| FXY = read($1, data_type="frame", format="csv", header=TRUE); |
| |
| F = FXY[,1:ncol(FXY)-1]; |
| y = as.matrix(FXY[,ncol(FXY)]); |
| |
| # data preparation |
| jspec= "{ ids:true, recode:[1,2,3,6],bin:[" |
| +"{id:4, method:equi-width, numbins:14}," |
| +"{id:5, method:equi-width, numbins:12}]}" |
| [X,M] = transformencode(target=F, spec=jspec); |
| X = X[,2:ncol(X)] |
| |
| # learn model |
| B = lm(X=X, y=y, verbose=FALSE); |
| yhat = X %*% B; |
| e = (y-yhat)^2; |
| |
| write(X, $2) |
| write(e, $3) |
