Mike Treglia mtreg
mtreg
/ NYHOPS_netCDF_Example.R
Created
March 3, 2017 04:21
Load Stevens Institute NYHOPS netCDF data into R
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| #Sample Code | |
| #Gets netCDF data for lat/long points from Stevens Institute NYHOPS Data | |
| library(ncdf4) | |
| #Connect to netCDF | |
| nyhops.nc <- nc_open("http://colossus.dl.stevens-tech.edu/thredds/dodsC/LISS/Hindcast/all_nb_mon_81.nc") | |
| ##To get 'simple', 3D variale (e.g., depth) | |
| #Load depth, lat, and long |
mtreg
/ RODBC_Install_Output.R
Created
March 2, 2017 17:39
Output of installing RODBC on ubuntu 14.04
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| > install.packages("RODBC") | |
| Installing package into ‘/usr/local/lib/R/site-library’ | |
| (as ‘lib’ is unspecified) | |
| --- Please select a CRAN mirror for use in this session --- | |
| trying URL 'https://cloud.r-project.org/src/contrib/RODBC_1.3-14.tar.gz' | |
| Content type 'unknown' length 1163799 bytes (1.1 MB) | |
| ================================================== | |
| downloaded 1.1 MB | |
| * installing *source* package ‘RODBC’ ... |
mtreg
/ Download_Unzip.R
Last active
August 16, 2016 18:54
Issue Unzipping NYC OpenData Download File in R
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| #Initiate Download of file, naming it as test.zip | |
| download.file(url='https://data.cityofnewyork.us/api/geospatial/tqmj-j8zm?method=export&format=Original', destfile="test.zip") | |
| #unzip the file using built in functionality | |
| unzip('test.zip') | |
| #Throws error when running on Windows: | |
| #Warning message: | |
| #In unzip("test.zip") : error 1 in extracting from zip file |
mtreg
/ makefile_syllabusHTML.sh
Created
January 7, 2016 22:31
Markdown to HTML via Pandoc with appropriate header and footer
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| #!bin/bash | |
| pandoc ../CourseInfo/Syllabus.md -o syllabus_tmp.html; | |
| cat html_head.html syllabus_tmp.html html_foot.html > ../Syllabus.html; | |
| rm syllabus_tmp.html |
mtreg
/ gist:b44b2892170487895a3b
Created
May 25, 2015 03:32
Round Time to Nearest 10 minutes - No dependencies (ignoring seconds)
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| et <- example_time <- Sys.time() | |
| #This code will work on list of times, or can easily be set up to work on a column of a data frame | |
| #The seconds are ignored and actually set to 0 (which was adequate for my needs) | |
| for(i in et){ | |
| if(as.POSIXlt(et)$min >= 10) | |
| { | |
| if((as.POSIXlt(et)$min/5) %% 1 == 0) | |
| { | |
| et <- et + 60 |
mtreg
/ gist:1cdcd5bc4fb246e2b667
Last active
August 29, 2015 14:11
Download, Unzip, Mosaic, and Reproject National Elevation Dataset 1/3 arcsecond
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| #All of this tested in in Cygwin on Windows 7 x64 | |
| #Requires GDAL, Cygwin (or other *nix terminal) with wget and unzip installed; also requires an installation of Python | |
| #GDAL should be in system PATH | |
| #To download files based on a hand-made text file called "URLZipList.txt" - list of all the .zip filenames needed (files from here: ftp://rockyftp.cr.usgs.gov/vdelivery/Datasets/Staged/NED/13/IMG/): | |
| #Example file name: "ftp://rockyftp.cr.usgs.gov/vdelivery/Datasets/Staged/NED/1/IMG/n39w096.zip" | |
| wget -i URLZipList.txt | |
| #Unzip all files to respective folders | |
| for z in *.zip; do |
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