analyses:berkey1995
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analyses:berkey1995 [2021/10/06 15:48] – Wolfgang Viechtbauer | analyses:berkey1995 [2021/11/08 15:59] – Wolfgang Viechtbauer | ||
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These results match exactly what Berkey et al. (1995) report on page 408: The amount of heterogeneity (' | These results match exactly what Berkey et al. (1995) report on page 408: The amount of heterogeneity (' | ||
- | ==== Mixed-Effects Model ==== | + | ==== Mixed-Effects |
- | A mixed-effects model with absolute latitude as moderators (centered at 33.46 degrees) can be fitted with: | + | A mixed-effects |
<code rsplus> | <code rsplus> | ||
res.ME <- rma(yi, vi, mods=~I(ablat-33.46), | res.ME <- rma(yi, vi, mods=~I(ablat-33.46), | ||
Line 117: | Line 117: | ||
</ | </ | ||
- | ==== Fixed-Effects Model ==== | + | ==== Fixed-Effects |
- | The results from a fixed-effects model with absolute latitude as the predictor can be obtained with: | + | The results from a fixed-effects |
<code rsplus> | <code rsplus> | ||
res.FE <- rma(yi, vi, mods=~I(ablat-33.46), | res.FE <- rma(yi, vi, mods=~I(ablat-33.46), |
analyses/berkey1995.txt · Last modified: 2022/10/19 18:55 by Wolfgang Viechtbauer