To capture heterogeneity in structural equation models (SEMs), the model-based recursive partitioning (MOB) algorithm from partykit can be coupled with SEM estimation from lavaan. Motivation Structural equation models (SEMs) ar...

What is the daily correlation of Confirmed versus Death Cases in Covid-19. In other words, the people who have passed ... Read moreCovid19: Correlation Between Confirmed Cases and Deaths

Software products use a range of strategies to make promises or contracts with their users. Mature code packages and APIs document expected inputs and outputs, check adherence with unit tests, and transparently report code coverage. Programs with graphical user interfaces form such contracts by labeling and illustrating interactive components to ...

Introduction Hey Everyone! I’m back with anoher tutorial on the Task 2 of thsame virtual experience program. I completed this Virtual Experience Program a month back and I have posted the solutions of Task 1. You should visit that too before contin...

About ggwebthemes Examples theme_web_bw theme_web_classic theme_web_void About ggwebthemes Not long ago, I published a post “Three ggplot2 Themes Optimized for the Web”, where I made some tweaks to my three favorite ggplot2 themes – theme_bw(), theme_classic(), and theme_void() – to make them more ...

Use the geom_line() aesthetic to draw line graphs and customize its styling using the color parameter. Specify which coordinates to use for each line with the group parameter. Create your first line graph using geom_line() Define how different lines are connected using the group parameter Change the line ...

Everyone knows how annoying mechanical breakdown can be. Production is directly successful because the equipment malfunctions. Large sums of money are lost as production resumes. It also affects OEMs and distributors based on lost reputation and business opportunity. Fortunately, the use of data science can handle this problem to a ...

It is well known, how annoying a machine breakdown can be. Production takes a direct hit because of equipment failures. A great deal of money is lost by the time production restarts. It also impacts OEMs and dealers in terms of lost reputation and business opportunity. Fortunately, these issue can ...

I’m back in business! After almost 5 months of hiatus, during which I was very busy with my new job, and new house, I’m in a position where I can write again. To celebrate my comeback, I’ll introduce to you the {tidytable} package, which I learned about this ...

An R package containing themes for ggplot2 that have been optimized for blogs and similar online usage: theme_web_bw, theme_web_classic, and theme_web_void.

Plotting multiple time series in a single plot Recently a person posed a question on Stackoverflow about how to combine multiple time series into a single plot within the ggplot2 package. The question referenced another Stackoverflow answer for a simi...

???? TL;DR We built an R Shiny app to improve access to information on Hong Kong’s local politicians. This is so that voters can make more informed choices. The app shows basic information on each politician, alongside a live feed of their Facebook ...

Data Science Conference Austria 2020 Data Science Conference (DSC) Austria is knocking on YOUR door - and it is all for free! ???????????? DSC Austria will happen on September 8-9th and during the event, you will get a chance to listen to over 15 high-quality ...

We have a new R WVPlots plot: ROCPlotPairList. It is useful for comparing the ROC/AUC of multiple models on the same data set. library(WVPlots) set.seed(34903490) x1

I spend quite a bit of time at work trying to understand where we are in the business cycle. That analysis informs our capital market expectations, and, by extension, our asset allocation and portfolio risk controls. For years now I have used a trusty old linear regression model, held together ...