practice_1.Rmd

---
title: "R Notebook"
output: html_notebook
---

```{r}
source('library.R')
```

```{r}
tq_get_options()
```
```{r}
from <- today() - years(1)
AAPL <- tq_get("AAPL", get = "stock.prices", from = from)
AAPL
```
```{r}
# Get of list of the tq_mutate() options
tq_mutate_fun_options() %>% 
  select(zoo) %>% 
  str()
```
```{r}
AAPL %>% 
  tq_mutate(ohlc_fun = Cl, mutate_fun = SMA, n = 15) %>% 
  rename(SMA.15 = SMA) %>% 
  tq_mutate(ohlc_fun = Cl, mutate_fun = SMA, n = 50) %>% 
  rename(SMA.50 = SMA)
```
```{r}
AAPL %>% 
  tq_mutate_xy(x = close, mutate_fun = SMA, n = 15) %>% 
  rename(SMA.15 = SMA) %>% 
  tq_mutate_xy(x = close, mutate_fun = SMA, n = 50) %>% 
  rename(SMA.50 = SMA)
```
```{r}
AAPL %>% 
  mutate(SMA.15 = SMA(close,n=10))
```


```{r}

```




```{r}
1 + 4
```


```{r}
aapl_stock_prices<- tq_get("AAPL")
```
```{r}
mult_stocks <- tq_get(c("FB","AMZN"), 
get = "stock.prices",
from = "2016-01-01",
to  = "2017-01-01")
```


```{r}
acf(mult_stocks$open)
```
```{r}
pacf(mult_stocks$open )
```
```{r}
stats::Box.test(mult_stocks$open)
```



```{r}
arima(mult_stocks$open,order = (1 0 2))
```