Update README.md

README.md

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 ## Data Source
 
-**Pushshift Archive**: [Pushshift](https://the-eye.eu/redarcs/) is a social media data collection, analysis, and archiving platform that has collected Reddit data since 2015, offering real-time updates as well as historical data dating back to Reddit's inception. I downloaded the relevant files from this data by predetermining which subreddits to work on and used Zapier to split the file into manageable csv files. I've included a python file that demonstrates how I filtered those csv files.
+**Pushshift Archive**: [Pushshift](https://the-eye.eu/redarcs/) is a social media data collection, analysis, and archiving platform that has collected Reddit data since 2015, offering real-time updates as well as historical data dating back to Reddit's inception. I downloaded the relevant files from this data by predetermining which subreddits to work on and used Zapier to split the file into manageable csv files. I've included a python file that demonstrates how I filtered those csv files. I also filter the data based on top posts (by score) and from 2014 onwards.
 
 ## Dataset Description