I'm not sure I understand. If ssn is the only common variable, how do you determine which records match? If you do have the accident date info in both files, then it's a simple merge in Stata -- you can merge on multiple variables (see whelp merge) use accidentdata sort ssn accide...
File formats like CSV, XML, xlsx, JSON, and web data can be imported into the R environment to read the data and perform data analysis, and also the data present in the R environment can be stored in external files in the same file formats. Reading CSV Files CSV (Comma Separated ...
loops over two variables, am and data (this variable is not in the original data frame, but gets created as a result of the group_nest(am) call) and applies a function, in this case a call to ggplot(), to generate tw...
leading to variations in the size of the gender gap in STEM and in the magnitude of the leakage out of the pipeline. Therefore, the first aim of this paper
Learn a variety of methods to compare Excel files for differences - open two Excel windows side by side, create a difference report using Excel formulas, highlight differences with conditional formatting, and more.
Merge is flexible enough that it can be used with specific columns as well as indexes. You can also rename the overlapping columns on the fly and automatically validate the operation in case there are one-to-many or many-to-many cases that are not compatible with the type of merge that ...
To statalist@hsphsun2.harvard.edu Subject Re: st: how to store cf3 differences in a data set Date Mon, 12 Nov 2012 13:22:27 +0100On Mon, Nov 12, 2012 at 12:38 PM, rasool.bux wrote: > I don't want merge/update one from other file. We are doing double entry by two differen...
This article uses the STATA15.1 software to process data. 3.2. Definition of Variables 3.2.1. The Explained Variable For GTFP (gtfp), this paper refers to common practices in the existing literature; takes energy utilization and environmental pollution into the calculation formula of TFP; adopts ...
Some examples of the spatial-temporal distribution of the CDR-based people density are given in Figure A5 which is discussed later in Section 5.1. We merge the mobile phone user’s density data with the POI-level hourly AQI, PM2.5 concentration data and weather data. Data sources, definitions...
NotificationsYou must be signed in to change notification settings Fork11 Star17 main 18Branches0Tags Code Folders and files Name Last commit message Last commit date Latest commit gronert-m Merge pull request#666from worldbank/gronert-m-patch-1 ...