Note the use of the p_load() function from the pacman package!

Q1

Load the gapminder dataset into your R environment and take a look at it. Note the location of different variables and include a summary of the average and maximum GDP by continent.

head(gapminder,5)
## # A tibble: 5 × 6
##   country     continent  year lifeExp      pop gdpPercap
##   <fct>       <fct>     <int>   <dbl>    <int>     <dbl>
## 1 Afghanistan Asia       1952    28.8  8425333      779.
## 2 Afghanistan Asia       1957    30.3  9240934      821.
## 3 Afghanistan Asia       1962    32.0 10267083      853.
## 4 Afghanistan Asia       1967    34.0 11537966      836.
## 5 Afghanistan Asia       1972    36.1 13079460      740.
summary_gdp = gapminder %>%
  group_by(continent) %>%
  summarize(mean_gdp = mean(gdpPercap), max_gdp = max(gdpPercap))
summary_gdp
## # A tibble: 5 × 3
##   continent mean_gdp max_gdp
##   <fct>        <dbl>   <dbl>
## 1 Africa       2194.  21951.
## 2 Americas     7136.  42952.
## 3 Asia         7902. 113523.
## 4 Europe      14469.  49357.
## 5 Oceania     18622.  34435.

We can see that the gapminder dataset has 6 columns in the following order: country, continent, year, lifeExp, pop, and gdpPercap. From the table given, we can see that Oceania has the largest average mean gdp, while Africa has the smallest. It is interesting to note thet the continent that has the highest mean gdp is not the one with the highest maximum. We can see that Asia and Europe both have higher maximums than Oceania, where Asia’s is MUCH higher at around 113,523.13.

Q2

Using plotly, create a static bubble chart of the gapminder data. Map GDP to the x axis, life expectancy to the Y axis, and population to the size of the bubbles. Each bubble’s color should be based on the region of that nation. Hint: If size is not working properly for you, you may want to use: marker = list(sizemode = "diameter"))

static_plot = plot_ly(gapminder, x = ~gdpPercap, y = ~lifeExp, text = ~country, 
                size = ~pop, color = ~continent, 
                colors = c("Asia" = "red", "Europe" = "blue", "Africa" = "green", 
                           "Americas" = "orange", "Oceania" = "purple"),
                marker = list(sizemode = "diameter")) %>%
        layout(title = "Gapminder Bubble Chart",
               xaxis = list(title = "GDP"),
               yaxis = list(title = "Life Expectancy"))
static_plot
## No trace type specified:
##   Based on info supplied, a 'scatter' trace seems appropriate.
##   Read more about this trace type -> https://plotly.com/r/reference/#scatter
## No scatter mode specifed:
##   Setting the mode to markers
##   Read more about this attribute -> https://plotly.com/r/reference/#scatter-mode
## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

Note here that the plot looks pretty messy because all the years are present on the plot. It would be nice to see the dots by country one year at a time, right?

Q3

Create a new plotly object that is similar to the previous one, but includes animation. This is as easy as adding frame to your plot_ly command and specifying the varable that should determine the frame.

animated_plot = plot_animated <- plot_ly(gapminder, x = ~gdpPercap, y = ~lifeExp, text = ~country, 
                         size = ~pop, color = ~continent, frame = ~year,
                         colors = c("Asia" = "red", "Europe" = "blue", "Africa" = "green", 
                                    "Americas" = "orange", "Oceania" = "purple"),
                         marker = list(sizemode = "diameter")) %>%
                 layout(title = "Gapminder Animated Bubble Chart",
                        xaxis = list(title = "GDP"),
                        yaxis = list(title = "Life Expectancy"))
animated_plot
## No trace type specified:
##   Based on info supplied, a 'scatter' trace seems appropriate.
##   Read more about this trace type -> https://plotly.com/r/reference/#scatter
## No scatter mode specifed:
##   Setting the mode to markers
##   Read more about this attribute -> https://plotly.com/r/reference/#scatter-mode
## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

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## Warning: `line.width` does not currently support multiple values.

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Q4

Try adding a few options to alter your animation lightly. As long as you’ve created your plot correctly, all you need to do here is uncomment the code, run the chunk, and explain what each part did.

#Uncomment the lines below to see the updated animation. 
animated_chart = animated_plot %>% 
  animation_opts(frame = 100,  #What did this do?
                 redraw = TRUE, # What did this do?
                 easing = "linear") #What did this do?
animated_chart
## No trace type specified:
##   Based on info supplied, a 'scatter' trace seems appropriate.
##   Read more about this trace type -> https://plotly.com/r/reference/#scatter
## No scatter mode specifed:
##   Setting the mode to markers
##   Read more about this attribute -> https://plotly.com/r/reference/#scatter-mode
## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

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## Warning: `line.width` does not currently support multiple values.

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## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

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## Warning: `line.width` does not currently support multiple values.

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## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

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## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

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Frame: the amount of time between frames, 100 milliseconds Redraw: triggers a redraw of the plot at completion of the transition Easing: type of transition (here this is a linear transition) Autoplay: when set to TRUE, it automatically starts playing the animation upon loading the chart

Q5

Now, let’s add a button to pause the animation. You should spend a bit of time looking at this code and understanding what it does, then try to move the button to a place that makes more sense.

interactive_chart = animated_chart %>% layout(
  updatemenus = list(
    list(
      type = "buttons",
      showactive = FALSE,
      x = 1.2,  
      y = 0,  
      buttons = list(
        
        list(
          label = "Pause",
          method = "animate",
          args = list(NULL, list(frame = list(duration = 0, 
                                              redraw = TRUE), 
                                 mode = "immediate"))
        )
      )
    )
  )
 )
interactive_chart
## No trace type specified:
##   Based on info supplied, a 'scatter' trace seems appropriate.
##   Read more about this trace type -> https://plotly.com/r/reference/#scatter
## No scatter mode specifed:
##   Setting the mode to markers
##   Read more about this attribute -> https://plotly.com/r/reference/#scatter-mode
## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

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Q6

Add a title, axis labels, any other important annotations to the plot. This could include adding hover text or other elements.

interactive_chart2 = animated_chart %>% layout(
  title = "Interactive Plot with GDP vs Life Expectancy per Continent changing per Year",
  updatemenus = list(
    list(
      type = "buttons",
      showactive = FALSE,
      x = 1.2,  
      y = 0,  
      buttons = list(
        
        list(
          label = "Pause",
          method = "animate",
          args = list(NULL, list(frame = list(duration = 0, 
                                              redraw = TRUE), 
                                 mode = "immediate"))
        )
      )
    )
  )
 )
interactive_chart2
## No trace type specified:
##   Based on info supplied, a 'scatter' trace seems appropriate.
##   Read more about this trace type -> https://plotly.com/r/reference/#scatter
## No scatter mode specifed:
##   Setting the mode to markers
##   Read more about this attribute -> https://plotly.com/r/reference/#scatter-mode
## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

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## Warning: `line.width` does not currently support multiple values.

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## Warning: `line.width` does not currently support multiple values.

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## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

## Warning: `line.width` does not currently support multiple values.

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Q7

Practice publishing your final plot to Rpubs (or another location of your choice) and include the link in your submission.