Web Scraping of SPY Stocks
Update:
The second function and the error is below:
get_stock_prices <- function(ticker), return_format = "tibble", ...) {
? # Get stock prices
? stock_prices_xts <- getSymbols(Symbols = ticker, auto.assign = FALSE, ...)
? # Rename
? names(stock_prices_xts) <- c("Open", "High", "Low", "Close", "Volume", "Adjusted")
? # Return in xts format if tibble is not specified
? if (return_format == "tibble") {
? ? stock_prices <- stock_prices_xts %>%
? ? ? as_tibble() %>%
? ? ? rownames_to_column(var = "Date") %>%
? ? ? mutate(Date = mdy(Date))
? } else {
? ? stock_prices <- stock_prices_xts
? }
? stock_prices
}
"MA" %>%
? get_stock_prices(return_format = 'tibble')%>%head()
ERROR MESSAGE:
# A tibble: 6 x 7
? Date? ? ? ? Open? High? ?Low Close? ?Volume Adjusted
? <date>? ? ?<dbl> <dbl> <dbl> <dbl>? ? <dbl>? ? <dbl>
1 NA? ? ? ? ? 9.96? 9.97? 9.56? 9.64 26289000? ? ?8.98
2 NA? ? ? ? ? 9.69 10.2? ?9.53 10.1? 27024000? ? ?9.42
3 NA? ? ? ? ?10.1? 10.2? ?9.9? 10.1? 29632000? ? ?9.41
4 NA? ? ? ? ? 9.90 10.2? ?9.9? 10.1? 16006000? ? ?9.41
5 NA? ? ? ? ?10.1? 10.6? 10.1? 10.6? 36952000? ? ?9.85
6 NA? ? ? ? ?10.6? 10.6? 10.3? 10.5? 35099000? ? ?9.76
Warning message:
All formats failed to parse. No formats found.
Thank You and Best Regards,?
Emeka I. Atuma
Integrity - Walk Your Talk Don't Talk Your Work
On Saturday, 26 September 2020, 18:09:51 GMT+1, AIE ATUMA via R-SIG-Finance <r-sig-finance at r-project.org> wrote:
Dear All,
Please I need help. I ran the below function and got the highlighted error message. How can I correct it?
library(rvest)
library(rvest)
library(pbapply)
library(TTR)
library(dygraphs)
library(lubridate)
library(tidyquant)
library(timetk)
pacman::p_load(dygraphs,DT,quantmod)
# Web-scrape SP500 stock list
sp_500 <- read_html("https://en.wikipedia.org/wiki/List_of_S%26P_500_companies") %>%
html_node("table.wikitable") %>%
html_table() %>%
select(`Ticker symbol`, Security, `GICS Sector`, `GICS Sub Industry`) %>%
as_tibble()
# Format names
names(sp_500) <- sp_500 %>%
names() %>%
str_to_lower() %>%
make.names()
# Show results
sp_500
Error Message:
Error: Can't subset columns that don't exist.
x Column `Ticker symbol` doesn't exist.
Run `rlang::last_error()` to see where the error occurred.
The second function and the error is below:
get_stock_prices <- function(ticker), return_format = "tibble", ...) {
? # Get stock prices
? stock_prices_xts <- getSymbols(Symbols = ticker, auto.assign = FALSE, ...)
? # Rename
? names(stock_prices_xts) <- c("Open", "High", "Low", "Close", "Volume", "Adjusted")
? # Return in xts format if tibble is not specified
? if (return_format == "tibble") {
? ? stock_prices <- stock_prices_xts %>%
? ? ? as_tibble() %>%
? ? ? rownames_to_column(var = "Date") %>%
? ? ? mutate(Date = mdy(Date))
? } else {
? ? stock_prices <- stock_prices_xts
? }
? stock_prices
}
"MA" %>%
? get_stock_prices(return_format = 'tibble')%>%head()
ERROR MESSAGE:
Warning message:
All formats failed to parse. No formats found.?
Thank You and Best Regards,?
Emeka I. Atuma
Integrity - Walk Your Talk Don't Talk Your Work
On Friday, 25 September 2020, 21:12:24 GMT+1, AIE ATUMA <gttga2000 at yahoo.com> wrote:
Dear All,
Please I need help. I ran the below function and got the highlighted error message. How can I correct it?
library(rvest)
# Web-scrape SP500 stock list
sp_500 <- read_html("https://en.wikipedia.org/wiki/List_of_S%26P_500_companies") %>%
html_node("table.wikitable") %>%
html_table() %>%
select(`Ticker symbol`, Security, `GICS Sector`, `GICS Sub Industry`) %>%
as_tibble()
# Format names
names(sp_500) <- sp_500 %>%
names() %>%
str_to_lower() %>%
make.names()
# Show results
sp_500
Error Message:
Error: Can't subset columns that don't exist.
x Column `Ticker symbol` doesn't exist.
Run `rlang::last_error()` to see where the error occurred.
The second function and the error is below:
get_stock_prices <- function(ticker), return_format = "tibble", ...) {
? # Get stock prices
? stock_prices_xts <- getSymbols(Symbols = ticker, auto.assign = FALSE, ...)
? # Rename
? names(stock_prices_xts) <- c("Open", "High", "Low", "Close", "Volume", "Adjusted")
? # Return in xts format if tibble is not specified
? if (return_format == "tibble") {
? ? stock_prices <- stock_prices_xts %>%
? ? ? as_tibble() %>%
? ? ? rownames_to_column(var = "Date") %>%
? ? ? mutate(Date = mdy(Date))
? } else {
? ? stock_prices <- stock_prices_xts
? }
? stock_prices
}
"MA" %>%
? get_stock_prices(return_format = 'tibble')%>%head()
ERROR MESSAGE:
Warning message:
All formats failed to parse. No formats found.?
Thank You and Best Regards,?
Emeka I. Atuma
Integrity - Walk Your Talk Don't Talk Your Work
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