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.
Tuesday, April 23, 2019
Help via merge
I have 2 datasets:
HEIGHT
AGE
SCORE
x
z
x
y
HEIGHT
AGE
Controls
x
z
x
x
y
x
How do i merge so that it merges ONLY if both the age and the height match. As these 2 data sets are not the same size
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