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.

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Order of lincom output within a regression results table

Order of lincom output within a regression results table

Saturday, September 28, 2019 Data Cleaning Data management Data Processing
Dear all I was wondering whether it is possible to determine the order of estimates AND lincom output of a regression? Actually, I know thi...
Using predicted variables from principal component analysis (PCA) for an exploratory factor analysis (EFA)

Using predicted variables from principal component analysis (PCA) for an exploratory factor analysis (EFA)

1:31 PM Data Cleaning Data management Data Processing
Hello everybody, as described in my topic, I want to use predicted variables from PCA for an EFA. What I did so far and what is planned:...
In a fixed effects logit regression does Stata only drop observations that have no variation in the outcome variable? Or also the controls?

In a fixed effects logit regression does Stata only drop observations that have no variation in the outcome variable? Or also the controls?

11:56 AM Data Cleaning Data management Data Processing
I have a 3 wave panel of children's height and weight and parents employment or unemployment (binary) during a recession. As you will ...
Generating a new variable from one variable and part of another

Generating a new variable from one variable and part of another

11:36 AM Data Cleaning Data management Data Processing
Hello, I am looking to create a variable for the total health expenditure for females. I currently have a variable for total health expendi...
Stata shows "wrong" value

Stata shows "wrong" value

11:36 AM Data Cleaning Data management Data Processing
Hey, I have a dta file with several variables. The properties of the variables in the dta file are all the same (Type "long", Fo...
Difficulty in stata codes

Difficulty in stata codes

10:02 AM Data Cleaning Data management Data Processing
I have three dta files for three sectors of an economy (and these are the only three sectors that constitutes the country): rural, urban, an...
convergence not achieved in qreg

convergence not achieved in qreg

9:16 AM Data Cleaning Data management Data Processing
Hi I am trying to do qreg of x variables on Y. one of my X(Return ID-1) variable is a part of the Y variable(which is the sum of all retur...
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