Well, there are actually more like 74 posts in this list, sorted based on number of likes on twitter, but you can focus on the first 7 to not get overrun by the variation, enjoy:  

Title	Number of likes
R for Beginners: Logistic Regression	163
How to plot animated maps with gganimate	139
Generalized Linear Models understanding the link function	129
A simple example of webscraping with R : the top 5% economist ranking	120
p-values and null hypotheses	97
R for Beginners: Modeling Regression Effects Using REffects Library	94
Use R with Excel: Importing and Exporting Data	91
Introduction to statistical thinking	89
Loading and visualizing Shapefiles in R	88
Obtaining the number of components from cross validation of principal components regression	86
R Training – Data Manipulation	81
R for Beginners: Creating a Twitter App for Scraping Data	76
R Training – Data Visualization	72
Prophets of gloom: Using NLP to analyze Radiohead lyrics	72
Running R scripts within in-database SQL Server Machine Learning	70
Modifying Excel Files using openxlsx	67
5 Alternatives to the Default R Outputs for GLMs and Linear Models	66
shinytest – Automated testing for Shiny apps	51
How to change the number of breaks on a datetime axis with R and ggplot2	49
R for Beginners: Running Chi-Squared Tests	48
Data Science With R Course Series – Week 5	47
Random Walk of Pi – Another ggplot2 Experiment	47
Voice Control your Shiny Apps	46
Identifying gaps in your data	45
Send Daily Reminder to Mobile using R	40
Generate correlation matrices with complex survey data in R	39
Using R to Read Eye-tracking Files (.txt, .tsv, ect.) and Organize Data	38
Exploring college major and income: a live data analysis in R	38
How to Use Shiny Containers with Shinyproxy	37
Announcing RStudio Package Manager	37
Time series shootout: ARIMA vs. LSTM (talk)	35
Making Art in R	35
Modularize your Shiny Apps: Exercises	34
Statistics Sunday: Some Psychometric Tricks in R	34
September 2018: Top 40 New Packages	32
Tutorial: Facebook Messenger Chatbot with AWS Lambda & Python (written by an R programmer)	31
Text Analysis with Term Frequency for Mark Twain’s Novels	31
On the apparent success of the maximum likelihood principle	30
Visualize Univariate Distribution of a Dataset (using Plotly)	30
Slides from my talk at the R-Ladies Meetup about Interpretable Deep Learning with R, Keras and	30
New Course: Interactive Data Visualization with rbokeh	29
useR! poster: ranking influential communities	28
Animated Plots As Part Of Exploratory Data Analysis	28
Slides from my m-cubed talk about Explaining complex machine learning models with LIME	28
New Course: Visualization Best Practices in R	26
splitChunk – RStudio addin for splitting code chunks in R Markdown	25
The R-help Community was Started on This Day 20 Years Ago	25
Friendships among top R-twitterers	25
Cannibus Curve with ggplot2	24
I fell out with tapply and in love with dplyr	24
Naming things is hard	23
RStudio 1.2 Preview: Stan	22
Using Leaflet in R – Tutorial	21
One Rule (OneR) Machine Learning Classification in under One Minute	21
Data Science Podcasts	20
transferring installed packages to a different installation of R	20
Creating abstract city maps for Leaflet usage	20
Piping into ggplot2	20
About identifiability and granularity	19
Topic Modeling of New York Times Articles	19
Machine Learning Benchmarking with SFA in R	19
Modeling and prediction for movies	18
Blogging with GitHub and Hugo	18
Visualising Brexit Votes with Leaflet and cartogram	18
ABC intro for Astrophysics	18
The use of bicycles in Helsinki	17
How we use emojis	17
Coming soon!	16
Shiny Website for Primer Documentation	16
Visual Art with Pi using ggplot2 & circlize	16
Introducing the New Zealand Trade Intelligence Dashboard	16
Project management for scalable data analysis	15
A small logical change with big impact	15
Most liked R-bloggers’ posts from last week (2018-10-07 till 2018-10-13 – based on twitter)	15