| #------------------------------------------------------------- |
| # |
| # 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. |
| # |
| #------------------------------------------------------------- |
| |
| # How to invoke this dml script LineageTrace.dml? |
| # Assume LR_HOME is set to the home of the dml script |
| # Assume rows = 20 and cols = 20 for X |
| # hadoop jar SystemDS.jar -f $LR_HOME/LineageTrace.dml -args "$INPUT_DIR/X" "$OUTPUT_DIR/X" "$OUTPUT_DIR/Y" |
| |
| X = read($1); |
| X = X * 3; |
| X = X + 5; |
| |
| Y = t(X) %*% X; |
| |
| write(X, $2, format="text"); |
| write(Y, $3, format="text"); |
