| #------------------------------------------------------------- |
| # |
| # 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. |
| # |
| #------------------------------------------------------------- |
| |
| A = read($1); |
| B = read($2); |
| C = read($3); |
| fn = $4; |
| |
| if( fn==0 ) |
| { |
| D = aggregate(target=A, groups=B, weights=C, fn="sum"); |
| } |
| else if( fn==1 ) |
| { |
| D = aggregate(target=A, groups=B, weights=C, fn="count"); |
| } |
| else if( fn==2 ) |
| { |
| D = aggregate(target=A, groups=B, weights=C, fn="mean"); |
| } |
| else if( fn==3 ) |
| { |
| D = aggregate(target=A, groups=B, weights=C, fn="variance"); |
| } |
| else if( fn==4 ) |
| { |
| D = aggregate(target=A, groups=B, weights=C, fn="centralmoment", order="3"); |
| } |
| else if( fn==5 ) |
| { |
| D = aggregate(target=A, groups=B, weights=C, fn="centralmoment", order="4"); |
| } |
| |
| write(D, $5, format="text"); |