WGround-class: WGround: Objects for representing weather data.

In siddhujetty/rpwsdata: Visualize and Analyze Weather Conditions from Wunderground Database

Description

A class to query the weather data of a place from multiple Personal Weather Stations

Generic Method for getPWSinfo defined

Method of class WGround to get PWS data for a location Return object with data frame with pws info. Throws an error if object is invalid.

Generic Method for CurrentWeatherbyPWS defined

Method of class WGround to get Current weather conditions Return object with data frame with conditions. Throws an error if object is invalid.

Generic Method getHistoricalWeather defined

Method of class WGround to get Historical weather data Return data frame with historical weather data. Throws an error if object is invalid.

Usage

getPWSinfo(object, verbose = TRUE, distance_mi = numeric(0),
  maxPWScount = numeric(0))

## S4 method for signature 'WGround'
getPWSinfo(object, verbose = TRUE,
  distance_mi = numeric(0), maxPWScount = numeric(0))

CurrentWeatherbyPWS(object, verbose = TRUE)

## S4 method for signature 'WGround'
CurrentWeatherbyPWS(object, verbose = TRUE)

getHistoricalWeather(object, startDt, endDt, maxPWScount = 3,
  verbose = TRUE)

## S4 method for signature 'WGround'
getHistoricalWeather(object, startDt, endDt,
  maxPWScount = 3, verbose = TRUE)

Arguments

object	the WGround object
verbose	mode
distance_mi	distance from specified location
maxPWScount	maximum number of PWS received
startDt	start date for historical data
endDt	end date for historical data

Slots

APIkey

API key from Wunderground website

city

A valid city name

country

A valid country name

state

A valid US state name

pws

A data frame of all PWS

selectedpws

A data frame of user selected PWS

conditions

A data frame of current conditions for selected PWS

runmode

online or offline, default: online

Author(s)

Siddhartha Jetti - 50% & Atul Lal - 50%

Examples

obj <- new("WGround", city="Fremont",state= "CA",runmode="offline")
obj <- getPWSinfo(obj,verbose=FALSE)

obj@selectedpws <- obj@pws[obj@pws$id == 'KCAFREMO83'|obj@pws$id == 'KCAFREMO88',]
obj <- CurrentWeatherbyPWS(obj,verbose=FALSE)

df_hist <- getHistoricalWeather(obj,verbose=FALSE,startDt="2017/01/01",endDt="2017/01/01")
head(df_hist,5)

siddhujetty/rpwsdata documentation built on May 29, 2019, 9:58 p.m.