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.

Adding missing values to string column. replace x = .
Adding missing values to string column. replace x = .

I have a really basic question. Say I have a string column `x`. How do I add missing values to this column? The follow code produces a type mismatch error. What's causing this error, and how can I add the missing values?

Code:

sysuse auto, clear
gen x = "string column"
replace x = . if mpg > 20

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Home / Data Cleaning / Data management / Data Processing / Adding missing values to string column. replace x = . Adding missing values to string column. replace x = .

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