ZACHARIAH RUTLEDGE, PH.D.
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Educational Resources

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Stata Guides
A Step-by-Step Guide to Conducting Robust Hausman Tests for Random Effects vs. Fixed Effects Models Using Unbalanced Panel Data in Stata (pdf file only)
A Step-by-Step Guide to Conducting Robust Hausman Tests for Random Effects vs. Fixed Effects Models Using Unbalanced Panel Data in Stata (supplementary materials)
A Beginner's Guide to GIS Mapping in Stata (pdf file only)
A Beginner's Guide to GIS Mapping in Stata (supplementary materials)


California Statewide Crop Production Time Series Graphs
Hand Harvested Fruits and Vegetables
California Labor-Intensive Fruit and Vegetable Crop Production Graphs (1990-2017)
California Labor-Intensive Fruit and Vegetable Harvested Acreage Graphs (1990-2017)
California Labor-Intensive Fruit and Vegetable Crop Yield Graphs (1990-2017)

Mechanically Harvested Fruits and Vegetables
California Mechanically Harvested Fruit and Vegetable Crop Production Graphs (1990-2017)
California Mechanically Harvested Fruit and Vegetable Harvested Acreage Graphs (1990-2017)
California Mechanically Harvested Fruit and Vegetable Crop Yield Graphs (1990-2017)

Field Crops
California Field Crop Production Graphs (1990-2017)
California Field Crop Harvested Acreage Graphs (1990-2017)

Ca​lifornia Field Crop Yield Graphs (1990-2017)

Nut Crops
California Nut Crop Production Graphs (1990-2017)
California Nut Crop Harvested Acreage Graphs (1990-2017)
California Nut Crop Yield Graphs (1990-2017)


California County Crop Employment Time Series Graphs*
California County Peak Quarter Crop Employment Graphs (NAICS 111 and 115115 Combined w/ Suppressed Obs. Identified 1990-2017)
California County Peak Quarter Crop Employment Graphs (NAICS 111 and 115115 Combined w/ Imputed Values for Suppressed Obs. 1990-2017) 
California County Peak Quarter Crop Employment Graphs (NAICS 111 and 115115 Separate w/ Imputed Values for Suppressed Obs. 1990-2017)


California County Weather Time Series Graphs
California County Average Monthly Temperature and Precipitation Graphs (1990-2017)

U.S. Metropolitan Statistical Area Population Time Series Graphs
U.S. Census Bureau vs. Ipums MSA Population Graphs (1990, 2000, & 2010)

*Note: NAICS 111 identifies crop production workers directly hired by farmers. NAICS 115115 identifies crop production crew leaders and other crop production workers hired through farm labor contractors.
Photo: Golden Gate Bridge - San Francisco, CA
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