Modifing the package vignette

vignettes/Plotting_Time_Series.Rmd

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+---
+title: "Plotting Time Series Data"
+author: "Rami Krispin (@Rami_Krispin)"
+date: "2018-09-17"
+output: rmarkdown::html_vignette
+vignette: >
+  %\VignetteEngine{knitr::rmarkdown}
+  %\VignetteIndexEntry{Vignette Title}
+  %\usepackage[UTF-8]{inputenc}
+---
+
+```{r setup, include=FALSE}
+knitr::opts_chunk$set(echo = TRUE)
+options(list(menu.graphics = FALSE, scipen=99, digits= 3))
+options("getSymbols.warning4.0"=FALSE)
+options("getSymbols.yahoo.warning"=FALSE)
+```
+
+The `ts_plot` is a versatile function for interactive plotting of time series objects. It is based on the [plotly](https://plot.ly/r/) engine and supports multiple time series objects such as `ts`, `mts`, `zoo`, `xts` and as well the data frame family (`data.frame`, `data.table`, and `tbl`).
+
+```{r}
+# install.packages("TSstudio")
+library(TSstudio)
+packageVersion("TSstudio")
+# Function documentation
+?ts_plot
+```
+
+
+#### Plotting a univariate time series
+
+Plotting a univariate time series data with the `ts_plot` function is straightforward: 
+
+```{r }
+# Loading the USgas dataset
+data("USgas")
+
+ts_info(USgas)
+
+```
+
+```{r fig.height=5, fig.width=10}
+ts_plot(USgas)
+```
+
+
+
+By default, the function will set the input object name as the plot title and leave the X and Y axises empty. It is possible to label the axises and set a different title:
+
+```{r fig.height=5, fig.width=10}
+# Setting the plot titles
+ts_plot(USgas,
+        title = "US Natural Gas Consumption",
+        Xtitle = "Year",
+        Ytitle = "Billion Cubic Feet")
+```
+
+#### Line setting
+
+There are several arguments which allow modifying the line main characteristics such as the colors, width, and type of line. 
+
+The `line.mode` argument is equivalent to the `mode` argument of the `plot_ly` function, and there are 3 options:
+
+1. `line` - the default option, a clean line
+2. `line+markers` - a line with a markers
+3. `markers` - only markers
+
+The `dash` argument allows modifying the line to dashed or dotted by setting the argument to `dash` or `dot` respectively.  The line width, by default, set to 2 and can be modified with the `width` argument:
+
+```{r fig.height=5, fig.width=10}
+ts_plot(USgas,
+        title = "US Natural Gas Consumption",
+        Xtitle = "Year",
+        Ytitle = "Billion Cubic Feet",
+        line.mode = "lines+markers",
+        width = 3,
+        color = "green")
+```
+
+In addition, we can add grid lines for the Y and X axises and slider by setting the `Xgrid`, `Ygrid` and slider arguments to TRUE:
+
+```{r fig.height=5, fig.width=10}
+ts_plot(USgas,
+        title = "US Natural Gas Consumption",
+        Xtitle = "Year",
+        Ytitle = "Billion Cubic Feet",
+        line.mode = "lines+markers",
+        width = 1,
+        color = "#66C2A5",
+        Xgrid = TRUE,
+        Ygrid = TRUE,
+        slider = TRUE)
+```
+
+#### Ploting a multiple time series object
+
+The `ts_plot` can handle multiple time series objects such as `mts`, `xts`, `zoo` and data frame family objects. The example below demonstrates the plot options for a multiple time series object with the closing prices of **Apple**, **Facebook**, **Google** and **Microsoft** stocks over time:
+```{r fig.height=5, fig.width=10, message=FALSE, warning=FALSE}
+library(TSstudio)
+library(xts)
+library(zoo)
+library(quantmod)
+# Loading the stock price of key technology companies:
+tckrs <- c("GOOGL", "FB", "AAPL", "MSFT")
+getSymbols(tckrs, 
+           from = "2013-01-01",
+           src = "yahoo"
+           )
+
+# Creating a multiple time series object
+closing <- cbind(AAPL$AAPL.Close, FB$FB.Close, GOOGL$GOOGL.Close, MSFT$MSFT.Close)
+names(closing) <- c("Apple", "Facebook", "Google", "Microsoft")
+
+ts_info(closing)
+```
+
+The `type` argument defines whatever to plot all the series in a single plot (`single` option) or plot each series separately (`multiple` option):
+
+```{r fig.height=5, fig.width=10}
+# Plot each series in a sepreate (default option)
+ts_plot(closing,
+        title = "Top Technology Companies Stocks Prices Since 2013", 
+        type = "multiple")
+
+
+# All the series in one plot
+ts_plot(closing, 
+        title = "Top Technology Companies Stocks Prices Since 2013",
+        type = "single")
+
+
+```
+
+#### Plotting data frame objects
+
+Currently, the `ts_plot` function supports three classes of data frame - `data.frame`, `data.table` and `tbl`. To be able to plot a data frame object, it must contain one column with a date or time object (`Date` or `POSIXlt`/`POSIXct`) and at least one numeric column. The **US_indicators** is an example of a `data.frame` object with time series data. It contains the monthly vehicle sales and the unemployment rate in the US since 1976 and a date object:
+
+```{r}
+data(US_indicators)
+str(US_indicators)
+```
+
+```{r fig.height=5, fig.width=10}
+ts_plot(US_indicators)
+```
+