Publications by Bella Kalinyak
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Import Data ikea <- readr::read_csv('https://raw.githubusercontent.com/rfordatascience/tidytuesday/master/data/2020/2020-11-03/ikea.csv') ## New names: ## Rows: 3694 Columns: 14 ## ── Column specification ## ─────────────────────────────────────────────...
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Provide major takeaways from Chapter 1 in 50 words. Reproducible finance is about how to do quantitative, data science-driven financial analysis. Readable and reproducible work is a priority. xts is a time series which holds observations and the times at which they occurred. Tidyverse is a collection of R packages for certain data science.Tidyq...
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Import Data ikea <- readr::read_csv('https://raw.githubusercontent.com/rfordatascience/tidytuesday/master/data/2020/2020-11-03/ikea.csv') ## New names: ## Rows: 3694 Columns: 14 ## ── Column specification ## ─────────────────────────────────────────────...
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Goal: to predict the rental prices is the SF rental market Click here for the data. Import Data rent <- readr::read_csv('https://raw.githubusercontent.com/rfordatascience/tidytuesday/master/data/2022/2022-07-05/rent.csv') ## Rows: 200796 Columns: 17 ## ── Column specification ──────────────────────...
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Goal: to predict the rental prices is the SF rental market Click here for the data. Import Data rent <- readr::read_csv('https://raw.githubusercontent.com/rfordatascience/tidytuesday/master/data/2022/2022-07-05/rent.csv') ## Rows: 200796 Columns: 17 ## ── Column specification ──────────────────────...
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Importing data flights ## # A tibble: 336,776 × 19 ## year month day dep_time sched_dep_time dep_delay arr_time sched_arr_time ## <int> <int> <int> <int> <int> <dbl> <int> <int> ## 1 2013 1 1 517 515 2 830 819 ## 2 2013 1 1 533 529 ...
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Import stock prices stocks <- tq_get(c("TM", "SBUX", "AEO", "BBWI"), get = "stock.prices", from = "2016-01-01", to = "2017-01-01") stocks ## # A tibble: 1,008 × 8 ## symbol date open high low close volume adjusted ## <chr> <date> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> ...
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Coding basics R as a calculator 1000 / 10 ## [1] 100 x <- 1000 / 10 x ## [1] 100 assignment symbol What’s in a name? Calling functions Use of TAB seq(from = 1, to = 10, by = 1) ## [1] 1 2 3 4 5 6 7 8 9 10 continuation character, + seq(from = 1, to = 10) ## [1] 1 2 3 4 5 6 7 8 9 10 Printing to screen y <- seq(from = 1,...
172 sym Python (240 sym/10 pcs)
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Import stock prices stocks <- tq_get(c("TM", "SBUX", "AEO", "BBWI"), get = "stock.prices", from = "2016-01-01", to = "2017-01-01") stocks ## # A tibble: 1,008 × 8 ## symbol date open high low close volume adjusted ## <chr> <date> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> ...
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Welcome Ch1 Introduction The data science project workflow Prerequisites R RStudio r packages Install the tidyverse package library(tidyverse) ## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ── ## ✔ dplyr 1.1.4 ✔ readr 2.1.5 ## ✔ forcat...
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