BJ Data Tech Solution

Specialized on Data processing, Data management Implementation plan, Data Collection tools - electronic and paper base, Data cleaning specifications, Data extraction, Data transformation, Data load, Analytical Datasets, and Data analysis. BJ Data Tech Solutions teaches on design and developing Electronic Data Collection Tools using CSPro, and STATA commands for data manipulation. Setting up Data Management systems using modern data technologies such as Relational Databases, C#, PHP and Android.

Summing dollar amount for each unique id for each year
Summing dollar amount for each unique id for each year

str50 year str27 state str29 district long regno str110 donortype str109 double amount
"2009-2010" "New york" "A & N Island" 240020003 "Institutional donors" 1738584
"2009-2010" "New york" "A & N Island" 240020003 "Institutional donors" 206663
"2010-2011" New york "A & N Island" 240020003 "Institutional donors" 293930
"2010-2011" "New york" "A & N Island" 240020003 "Institutional donors" 1692164
"2019-2020" "New york" "A & N Island" 240020003 "Institutional donors" 38579
"2019-2020" "New york" "A & N Island" 240020003 "Institutional donors" 988067

I am interested in adding "amount" together for the same "regno" (unique value) for each year. I am hoping to generate new dataset which has summed amount for each regno for each year.
Thanks so much in advance!

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