Tag Archives: data warehousing in SAS

Data Science

Adding Error Bars to ggplot2 Plots Can be Made Easy Through Dataframe Structure

Posted on by Monika Wahi
Error bars on plots can provide the audience an estimate of the amount of certainty you have with your estimates.
11
Oct

Adding error bars to ggplot2 in R plots is easiest if you include the width of the error bar as a variable in your plot data. Read my blog post to see an example.

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Data Science

Querying the GHDx Database: Demonstration and Review of Application

Posted on by Monika Wahi
Many data scientists interested in health are looking to query the Global Burden of Disease database, also known as the GHDx
16
Feb

Querying the GHDx database is challenging because of its difficult user interface, but mastering it will allow you to access country-level health data for comparisons! See my demonstration!

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Data Science

Variable Names in SAS and R Have Different Restrictions and Rules

Posted on by Monika Wahi
You need to come up with names of variables in SAS and in R, but they need to be compatible with both languages if you are running a data warehouse.
04
Feb

Variable names in SAS and R are subject to different “rules and regulations”, and these can be leveraged to your advantage, as I describe in this blog post.

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Data Science

Referring to Variables in Processing Data is Different in SAS Compared to R

Posted on by Monika Wahi
When doing data processing, especially extract-transform-load (ETL) into a data warehouse, you might need to refer to the variables in your code, and it's done differently in SAS vs. R.
28
Jan

Referring to variables in processing is different conceptually when thinking about SAS compared to R. I explain the differences in my blog post.

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Career Development

Interview Preparation for Data Science Positions: Tips and Tricks

Posted on by Monika Wahi
You can actually prepare for interviewing for data science positions by doing certain activities, like looking up common questions, and practicing answers.
20
Jan

Interview preparation for data science jobs can involve taking several simple, actionable steps to make yourself feel confident and ready to answer questions with ease. Read my blog post for my tips and tricks!

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