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Posts by Abdullah Abdelaziz

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Biologic Drug Prices in Medicare Part B After Entry of Biosimilars to the Market This cohort study evaluates the associations of biosimilar entry to the market with the prices of originator biologics under Medicare Part B reimbursement.

Our new study is out today in @jamanetworkopen.com!
We looked at trends in biologic drug prices after biosimilar competition.

Key takeaways: savings from biosimilars are substantial, but take longer to accrue than commonly seen with generic small molecules.

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jamanetwork.com/journals/jam...

5 months ago 5 3 1 1

What's the meaning? ๐Ÿค”

5 months ago 0 0 0 0

It's probably an unpopular opinion, but the more I do research, the more I realize that it's almost IMPOSSIBLE to do transparent and reproducible research without strong programming skills.

9 months ago 7 1 2 2

Will the recordings be available on YouTube after the event?

10 months ago 1 0 1 0

I am trying to access the newest version of
@miguelhernan.bsky.social 's Causal Inference What If book, but it seems that Harvard's SPH website no longer shows it.

Any idea how to get to the old page?
#EpiSky

1 year ago 3 0 2 0

Is there an advantage to go deep into rust compared to C++ for the R user?

1 year ago 1 0 1 0
A random snapshot of my Zotero account, showing that nearly all the papers are from arxiv

A random snapshot of my Zotero account, showing that nearly all the papers are from arxiv

I've never, personally, had any direct utility from traditional academic peer review for my scientific work.

I've never used that peer review as any kind of signal or credential in judging a paper or deciding whether to read it.

Nearly all the papers I read are preprints.

1 year ago 246 17 15 10

I think it would be easier to use dput()

1 year ago 0 0 0 0
Preview
How to write an effective journal peer review using a staged writing approach: a best-practice guide for early-career researchers Abstract. Journal peer review is a gatekeeper in the scientific process, determining which papers are published in academic journals. It also supports auth

How to write an effective journal peer review using a staged writing approach: a best-practice guide for early-career researchers | International Journal of Epidemiology | 2024 #MedEd academic.oup.com/ije/article/...

1 year ago 25 15 2 0
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This reminds me of days navigating why I have a much smaller sample size while building a cohort for my study. It turns out that Excel removes leading zeroes in MRNs, and many patients can not be linked. Ironically, ppl out there might accuse you of complicating things when you use R

1 year ago 1 0 0 0

For the 2nd equation to work, you assume some kind of equal confounding i.e.
Somehow A <- U -> Y has the same direction and magnitude to A <- U -> W

Correct?

1 year ago 0 0 1 0

So the goal of the first equation to kind of isolate the association presented in the DAG as A <- U -> W then using it. This is why you put Z. Otherwise, your association would capture the path A <- Z -> U -> W too. Did I get it?

1 year ago 0 0 1 0
Illustration showing rows in a dataframe getting grouped, then adding a new column

Illustration showing rows in a dataframe getting grouped, then adding a new column

Illustration showing rows in a dataframe getting grouped, summarized, and ungrouped

Illustration showing rows in a dataframe getting grouped, summarized, and ungrouped

Illustration showing rows in a dataframe getting grouped into two groups, then summarized and ungrouped

Illustration showing rows in a dataframe getting grouped into two groups, then summarized and ungrouped

Note from the blog post showing links to download all these videos

Note from the blog post showing links to download all these videos

New blog post! Seven (7!) new tidyexplain-esque animations showing how {dplyr}'s mutate(), summarize(), group_by(), and ungroup() all work together #rstats #dataskyence www.andrewheiss.com/blog/2024/04...

2 years ago 66 31 1 2
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2 years ago 16 3 0 0

Can you elaborate please?

2 years ago 0 0 0 0