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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No chi2 statistics calculated for mlogtest, combine command

No chi2 statistics calculated for mlogtest, combine command

Saturday, December 1, 2018 Data Cleaning Data management Data Processing
Hi there I am trying to run ' mologtest, combine ' after running the mlogit regression: svy: mlogit MFIIstatus i.hhprov rural i....
obtain coefficient from interaction dummies

obtain coefficient from interaction dummies

5:45 AM Data Cleaning Data management Data Processing
Dear all , I ran this regression: reg lnmwage totalpers addshift edulength urate vrate i.hlofeduc#c.age i.hlofeduc#c.agesq edusq Now I...
Too many variables specified

Too many variables specified

4:01 AM Data Cleaning Data management Data Processing
Hello! I'm trying to filter out the households (nohhold) that consistently had the value 3 for "woonvorm" for each year. I...
missing data

missing data

1:50 AM Data Cleaning Data management Data Processing
Hi all, i am new to stata so please accept my naivety. i have a data set (n=1000) with 42 variables. almost every variables is missing som...
time invariant variables and fixed effects

time invariant variables and fixed effects

1:30 AM Data Cleaning Data management Data Processing
Dear All, I wish to estimate the following panel data model using xtreg, fe y it = x it β + γD i + u it where D is a time-invariant du...
Trying to code for a loop to clean data entry errors and destring my variables.

Trying to code for a loop to clean data entry errors and destring my variables.

1:10 AM Data Cleaning Data management Data Processing
Dear All, I have imported "household survey" in csv format that contains numerous data entry errors. The most common one is a do...
Specifying model correctly with xtmixed

Specifying model correctly with xtmixed

12:20 AM Data Cleaning Data management Data Processing
Hello, I am attempting to use xtmixed for a repeated measures analysis looking at the effect of an intervention on scores for many differe...
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