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library(tidyverse) | |
library(jsonlite) | |
get_earnings <- function(symbol, av_key, get = "quarterly", cache_dir = "cache") { | |
if (!(cache_dir %in% list.dirs(full.names = F, recursive = F))) { | |
dir.create(cache_dir) | |
} | |
if (!(paste0(symbol, ".json") %in% list.files(cache_dir))) { | |
print("downloading") |
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library(tidyquant) | |
ty10 <- tq_get("DGS10", get = "economic.data", from = as.Date("1950-01-01")) | |
mod_dur <- function(yield) { | |
# out <- (1-(1/(1+0.5*yield/100)^(2*10)))/(yield/100) | |
out <- (1-(1/(1+0.5*yield)^(2*10)))/(yield) | |
return(out) |
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# What is PCA? | |
# - PCA is a form of multi-dimensional scaling. | |
# - It transforms the data into a lower dimensional space while keeping the maxiumum of information. | |
# Book: Multi-Dimensional Diversification | |
# get data https://www.msci.com/end-of-day-data-search | |
library(tidyverse) | |
library(tidyquant) | |
library(readxl) |
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library(tidyverse) | |
library(lubridate) | |
library(leaflet) | |
# https://www.fakenamegenerator.com/order.php | |
# go there to generate fake addresses, don't forget to select to include longitude and latitude | |
addresses <- read_csv("FakeNameGenerator.com_f201506b.csv") | |
addresses <- addresses %>% mutate(Birthday = mdy(Birthday), |
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library(tidyverse) | |
library(scales) | |
scrapy_stocks <- function(stock){ | |
if ("rvest" %in% installed.packages()) { | |
library(rvest) | |
}else{ | |
install.packages("rvest") | |
library(rvest) | |
} |
We can make this file beautiful and searchable if this error is corrected: Unclosed quoted field in line 9.
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"sicD","sic2","sic3","sic4","division","major_group","industry_group","industry" | |
"A","01","011","0111","Agriculture, Forestry, And Fishing","Agricultural Production Crops","Cash Grains","Wheat" | |
"A","01","011","0112","Agriculture, Forestry, And Fishing","Agricultural Production Crops","Cash Grains","Rice" | |
"A","01","011","0115","Agriculture, Forestry, And Fishing","Agricultural Production Crops","Cash Grains","Corn" | |
"A","01","011","0116","Agriculture, Forestry, And Fishing","Agricultural Production Crops","Cash Grains","Soybeans" | |
"A","01","011","0119","Agriculture, Forestry, And Fishing","Agricultural Production Crops","Cash Grains","Cash Grains, Not Elsewhere Classified" | |
"A","01","013","0131","Agriculture, Forestry, And Fishing","Agricultural Production Crops","Field Crops, Except Cash Grains","Cotton" | |
"A","01","013","0132","Agriculture, Forestry, And Fishing","Agricultural Production Crops","Field Crops, Except Cash Grains","Tobacco" | |
"A","01","013","0133","Agriculture, Forestry, And Fishing","Agricultural Pro |
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