# Combining 1970 samples

**URL:** <https://forum.ipums.org/t/combining-1970-samples/5473>\
**Category:** USA\
**Created:** [September 30, 2023, 10:16pm UTC](https://forum.ipums.org/t/combining-1970-samples/5473 "2023-09-30T22:16:33Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Chris\_B](https://avatars.discourse-cdn.com/v4/letter/c/43a26b/32.png) [@Chris\_B](https://forum.ipums.org/u/Chris_B)\
**Post date:** [October 3, 2023, 1:29am UTC](https://forum.ipums.org/t/combining-1970-samples/5473/2 "2023-10-03T01:29:38Z")

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It sounds like you are running into the same issue I was a while ago, I found this thread to be exactly what I was looking for:

> [@It is a good idea to pool the 1970 form 1 metro sample and 1970 form 2 metro sample together](https://forum.ipums.org/t/it-is-a-good-idea-to-pool-the-1970-form-1-metro-sample-and-1970-form-2-metro-sample-together/2047):
>
> Hi there, I am trying to calculate house prices for all metropolitan areas. Therefore I would like to have as many observations as possible for each metropolitan areas in each year. Do you think it is plausible to pool the 1970 form 1 metro sample and 1970 form 2 metro sample together and use the weight (hhwt) to calculate the mean(median) house price for each metropolitan areas? Thanks a lot. All my best, Vera

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