data analysis

Home electricity 2019-2023

Kazu Nozue / 2023-05-02

As I planned in my past post, “The second solar system project: timeline”, I woudl like to review the performance of the second solar, as well as other important events related to electricity consumption. […] To obtain data of grid usage, I extracted important numbers from monthly PG&E…

data analysis

Heat pump water heater

Kazu Nozue / 2021-01-07

library(tidyverse) library(lubridate) library(scales) Buring gas produce CO2. Reducing gas usage is critical to reduce CO2 production from our house. Here is the history of our gas usage of my house since 2012 November. # reading data gasdata <-…