R important things
R has no block comment, but you can still do the following things: In RStudio: Ctrl+Shift+C if(false){xxx} block python to R df.tail() -> tail(df) dropna(df) ->na.omit(df) / df[complete.cases(df),] df.describe()…
R has no block comment, but you can still do the following things: In RStudio: Ctrl+Shift+C if(false){xxx} block python to R df.tail() -> tail(df) dropna(df) ->na.omit(df) / df[complete.cases(df),] df.describe()…
It is quite nice, that Cassandra has driver for Python, R and Node.js. If you want to build a website with Cassandra DB which has also heavily scientific programming, I…
It is very difficult to say which one I like more. Jupter vs. RMarkdown RMarkDown: quick edit for beautiful report, compile is slow Jupyter: console in web, flexible, but sometimes…
1. How to install ipython 3 kernel to jupyter? + install Anaconda 3 + copy "Jupyter notebook" symbol to desktop + right click -> "property" -> "start in" change to…
If you write Rmd file, the messages are always very disturbing. There are two methods to avoid it: 1. Global method {r setup, include=FALSE} knitr::opts_chunk$set(echo = TRUE, warning = FALSE,…
link is from https://support.rstudio.com/hc/en-us/articles/200486138-Using-Different-Versions-of-R default R adress: $which R /usr/bin/R it can be Force R Studio use the specific version: export RSTUDIO_WHICH_R=/usr/local/bin/R
The new release of R Studio got many improvement. As I read them, I was very so excited about the new functions. Here are highlights for me. Data can be…