WebC) Oracle GROUP BY with an expression example. The following example groups the orders by year and returns the number of orders per year. SELECT EXTRACT ( YEAR FROM order_date) YEAR , COUNT ( order_id ) FROM orders GROUP BY EXTRACT ( YEAR FROM order_date) ORDER BY YEAR ; Code language: SQL (Structured Query … Web1 day ago · That's down from the month-earlier outlook for 33 million metric tons and well below the 43.9 million tons produced a year earlier, USDA data shows. Soybean stockpiles in Argentina are expected to drop to 18.1 million metric tons, which compares with last month's forecast for 19.8 million tons. Inventories a year earlier totaled 23.9 million tons.
How do I generate a mean by year and industry in Stata
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Stata FAQ: Creating group identifiers
WebNov 23, 2013 · 1 Answer Sorted by: 3 You can specify more than one variable with by:. by sic_2digit fyear, sort: egen test = mean (oancf_at_rsd10) Check out the help for by:, which gives the syntax and an example, and also that for collapse. Share Improve this answer Follow answered Nov 23, 2013 at 21:43 Nick Cox 35.1k 6 31 47 Add a comment Your … Webbys id: replace var1=. if var1[_n]==1 & var1[_n-`i']==1 Given that you have 50 observations per id, this cycles through all observations, keeps the first one that is coded 1 in var1 and sets all ... WebApr 13, 2024 · The new APP550 rear-wheel drive units will offer higher performance combined with improved efficiency for the ID. models. The ID. family will therefore benefit both in terms of power and increased range. Volkswagen is planning to deliver the first vehicles with the new drive generation in a 210 kW (286 PS) version from the end of the … kansas city catholic schools