Added online installation instruction and not for MacOS users, imporved formating

README.md

@@ -5,33 +5,64 @@ SnowQM is an `R` library for correcting snow water equivalent (SWE) grids, calle
 For more details, see the package vignette and Michel, A., Aschauer, J., Jonas, T., Gubler, S., Kotlarski, S., and Marty, C.: SnowQM 1.0: A fast R Package for bias-correcting spatial fields of snow water equivalent using quantile mapping, Geosci. Model Dev. Discuss. [preprint], https://doi.org/10.5194/gmd-2022-298, in review, 2023
 
 # Installation
+
+> Note for MacOS users: 
+> see instruction here about how to enable OpenMP https://github.com/Rdatatable/data.table/issues/5419
+
+###Online installation:
+
+If not already installed, install the `devtools` library:
+
+```
+install.packages("devtools")
+```
+Install SnowQM:
+
+```
+devtools::install_git("https://code.wsl.ch/snow-hydrology/snowqm", build_vignettes = TRUE)
+```
+
+###Locale installation:
+
 Download the package, then navigate to the package from within `R`:
+
 ```
-setwd(".../SnowQM")
+setwd("[...]/SnowQM")
 ```
+
 If not already installed, install the `devtools` library:
+
 ```
 install.packages("devtools")
 ```
+
 Install SnowQM:
+
 ```
 devtools::install(build_vignettes = TRUE)
 ```
+
+
 # Usage
 After installation, restart your `R` environment. Then load snowQM using:
+
 ```
 library(SnowQM)
 ```
+
 Display the documentation summary using:
+
 ```
 help(package = 'SnowQM')
 ```
+
 Use the vignette for a step-by-step example:
+
 ```
 vignette(package = "SnowQM","snowqm")
 ```
 # Author
-Adrien Michel, 2022 (WSL/SLF and MeteoSwiss)
+Adrien Michel, 2023 (WSL/SLF and MeteoSwiss)
 # Citation
-Michel et al. (2022), SnowQM 1.0: A fast R Package for bias-correcting spatial fields of
+Michel et al. (2023), SnowQM 1.0: A fast R Package for bias-correcting spatial fields of
 snow water equivalent using quantile mapping, GMD, under review