Importance of Melon Type, Size, Grade, Container, and Season in Determining Melon Prices
Classification and Regression Trees (CART), a computer intensive nonparametric classification method, was used to model weekly Los Angeles wholesale prices (1990-93) for twelve different melon types. CART explained more of the variation in melon prices than did an ordinary least squares (OLS) regres...
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Western Agricultural Economics Association
1995-07-01
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doaj-8d99789d39fe47a7831fb77a134152602020-11-25T02:38:45ZengWestern Agricultural Economics AssociationJournal of Agricultural and Resource Economics1068-55022327-82851995-07-01201324810.22004/ag.econ.3092430924Importance of Melon Type, Size, Grade, Container, and Season in Determining Melon PricesRussell TronstadClassification and Regression Trees (CART), a computer intensive nonparametric classification method, was used to model weekly Los Angeles wholesale prices (1990-93) for twelve different melon types. CART explained more of the variation in melon prices than did an ordinary least squares (OLS) regression with dummy variables. Explanatory variables ranked as the most-to-least important by CART are as follows: week, type of melon, year, size, grade, and shipping container. The most notable price change occurs when prices fall after 13 May.https://ageconsearch.umn.edu/record/30924binary splitcarthedonicrelative importanceterminal node |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Russell Tronstad |
spellingShingle |
Russell Tronstad Importance of Melon Type, Size, Grade, Container, and Season in Determining Melon Prices Journal of Agricultural and Resource Economics binary split cart hedonic relative importance terminal node |
author_facet |
Russell Tronstad |
author_sort |
Russell Tronstad |
title |
Importance of Melon Type, Size, Grade, Container, and Season in Determining Melon Prices |
title_short |
Importance of Melon Type, Size, Grade, Container, and Season in Determining Melon Prices |
title_full |
Importance of Melon Type, Size, Grade, Container, and Season in Determining Melon Prices |
title_fullStr |
Importance of Melon Type, Size, Grade, Container, and Season in Determining Melon Prices |
title_full_unstemmed |
Importance of Melon Type, Size, Grade, Container, and Season in Determining Melon Prices |
title_sort |
importance of melon type, size, grade, container, and season in determining melon prices |
publisher |
Western Agricultural Economics Association |
series |
Journal of Agricultural and Resource Economics |
issn |
1068-5502 2327-8285 |
publishDate |
1995-07-01 |
description |
Classification and Regression Trees (CART), a computer intensive nonparametric classification method, was used to model weekly Los Angeles wholesale prices (1990-93) for twelve different melon types. CART explained more of the variation in melon prices than did an ordinary least squares (OLS) regression with dummy variables. Explanatory variables ranked as the most-to-least important by CART are as follows: week, type of melon, year, size, grade, and shipping container. The most notable price change occurs when prices fall after 13 May. |
topic |
binary split cart hedonic relative importance terminal node |
url |
https://ageconsearch.umn.edu/record/30924 |
work_keys_str_mv |
AT russelltronstad importanceofmelontypesizegradecontainerandseasonindeterminingmelonprices |
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1724789828325736448 |