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analysis.Rmd
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analysis.Rmd
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---
title: "League of Dionysus 2020"
author: "Commissioner's Report"
date: "`r format(Sys.time(), '%x')`"
output: html_document
knit: (function(inputFile, encoding) { rmarkdown::render(inputFile, encoding = encoding, output_file = file.path(dirname(inputFile), 'index.html')) })
---
```{r setup, include=FALSE}
knitr::opts_chunk$set(
echo = FALSE,
fig.retina = 4,
fig.align = "center",
out.width = "100%"
)
library(tidyverse)
library(see)
```
```{r load-data, message=FALSE}
# Read weekly scores and calculative cumulative score
SCORES <- read_csv("./weekly_scores.csv") %>%
as_tibble() %>%
pivot_longer(cols=starts_with("Week"),
names_to="Week",
names_prefix="Week",
names_transform=list(Week=as.integer),
values_to="Score") %>%
group_by(Week) %>%
arrange(Week, Score) %>%
mutate(
Winner = if_else(Score == max(Score), 1, 0),
Rank = 8 - rank(Score, ties.method="max")
) %>%
group_by(Team) %>%
arrange(Team, Week) %>%
mutate(
CumulativeScore = cumsum(Score),
CumulativeMeanScore = cummean(Score),
CumulativeWins = cumsum(Winner),
CumulativeWinnings = CumulativeWins * 9.24 + ifelse(Week == 17 & Rank == 1, 157.5, 0)
) %>%
group_by(Week) %>%
arrange(Week, CumulativeScore) %>%
mutate(CumulativeRank = 8 - rank(CumulativeScore, ties.method="max")) %>%
ungroup() %>%
arrange(Team, Week) %>%
mutate(Team = as_factor(Team))
```
## Standings & stats
#### Through Week `r max(SCORES$Week)`
```{r summary}
# Calculate summaries
SUMMARY <- SCORES %>%
group_by(Team) %>%
summarize(
TotalScore = max(CumulativeScore),
MinScore = min(Score),
MaxScore = max(Score),
MeanScore = mean(Score),
SDScore = sd(Score),
MeanRank = mean(Rank),
SDRank = sd(Rank),
WeeklyWins = max(CumulativeWins),
Winnings = max(CumulativeWinnings),
.groups="drop"
)
FIRST_WIN <- SCORES %>%
filter(CumulativeWins == 1, Winner == 1) %>%
select(Team, Week) %>%
rename(FirstWinWeek = Week)
SUMMARY <- left_join(SUMMARY, FIRST_WIN, by="Team")
SUMMARY %>%
arrange(desc(TotalScore)) %>%
transmute(
`Rank` = 8 - rank(TotalScore, ties.method="max"),
`Team` = Team,
`Total Score` = TotalScore,
`Wins` = WeeklyWins,
`Winnings` = sprintf("$%.2f", Winnings),
`Average Score` = round(MeanScore, 2),
`Low Score` = MinScore,
`High Score` = MaxScore
) %>%
knitr::kable(align='clrcrrrr')
MEAN_WIN_SCORE <- SCORES %>% filter(Winner == 1) %>% .$Score %>% mean() %>% round(2)
```
The average weekly winning score has been **`r MEAN_WIN_SCORE`** points.
<hr>
## A series of charts
```{r weekly-scores-line}
# Plot weekly scores
ggplot(SCORES, aes(x=Week, y=Score, color=Team)) +
geom_line(size=1) +
scale_x_continuous(breaks=1:17, expand=expansion(add=0)) +
scale_y_continuous(limits=c(0, max(SCORES$Score)+10), expand=expansion(add=0)) +
scale_color_see() +
theme_modern() +
labs(title="Weekly Scores", y=NULL)
# # Plot weekly ranks
# ggplot(SCORES, aes(x=Week, y=(-1*Rank), color=Team)) +
# geom_line(size=1) +
# scale_y_continuous(breaks=-1:-7, labels=1:7) +
# scale_x_continuous(breaks=1:17, expand=expansion(add=0)) +
# scale_color_see() +
# theme_modern() +
# labs(title="Weekly Finishes", y=NULL)
```
<hr style="width: 80%; height: 1px; background-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,0.25), rgba(0,0,0,0));">
```{r weekly-scores-heat}
# Plot heat map of weekly scores
left_join(SCORES, select(SUMMARY, Team, MeanScore), by="Team") %>%
ggplot(., aes(x=Week, y=fct_reorder(Team, MeanScore), fill=Score)) +
geom_raster() +
scale_x_continuous(breaks=1:17, expand=expansion(add=0)) +
scale_y_discrete(expand=expansion(add=0)) +
scale_fill_distiller(palette="YlGn", direction=1) +
theme_modern() +
labs(title="Heat Map of Weekly Scores", y=NULL)
```
<hr style="width: 80%; height: 1px; background-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,0.25), rgba(0,0,0,0));">
```{r cumulative-scores}
# Plot cumulative scores
ggplot(SCORES, aes(x=Week, y=CumulativeScore, color=Team)) +
geom_line(size=1) +
scale_x_continuous(breaks=1:17, expand=expansion(add=0)) +
scale_y_continuous(limits=c(0, max(SCORES$CumulativeScore)+10), expand=expansion(add=0),
labels=scales::label_comma()) +
scale_color_see() +
theme_modern() +
labs(title="Total Scores Over Time", y=NULL)
```
<hr style="width: 80%; height: 1px; background-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,0.25), rgba(0,0,0,0));">
```{r cumulative-ranks}
# Plot cumulative ranks
ggplot(SCORES, aes(x=Week, y=(-1*CumulativeRank), color=Team)) +
geom_line(size=1) +
scale_y_continuous(breaks=-1:-7, labels=1:7) +
scale_x_continuous(breaks=1:17, expand=expansion(add=0)) +
scale_color_see() +
theme_modern() +
labs(title="Overall Standings Over Time", y=NULL)
# # Plot cumulative mean scores
# ggplot(SCORES, aes(x=Week, y=CumulativeMeanScore, color=Team)) +
# geom_line(size=1) +
# scale_x_continuous(breaks=1:17, expand=expansion(add=0)) +
# scale_y_continuous(limits=c(0, max(SCORES$CumulativeMeanScore)+10),
# expand=expansion(add=0)) +
# scale_color_see() +
# theme_modern() +
# labs(title="Mean Scores Over Time", y=NULL)
```
<hr style="width: 80%; height: 1px; background-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,0.25), rgba(0,0,0,0));">
```{r cumulative-winnings}
# Plot cumulative winnings
# left_join(SCORES, select(SUMMARY, Team, FirstWinWeek), by="Team") %>%
# ggplot(., aes(x=Week, y=CumulativeWinnings,
# fill=fct_reorder(Team, FirstWinWeek))) +
ggplot(SCORES, aes(x=Week, y=CumulativeWinnings, fill=Team)) +
geom_col(width=0.95) +
scale_x_continuous(breaks=1:17, expand=expansion(add=0)) +
scale_y_continuous(labels=scales::label_dollar()) +
scale_fill_see() +
theme_modern() +
labs(title="Total Winnings Over Time", y=NULL) +
guides(fill=guide_legend(title="Team"))
```
<hr style="width: 80%; height: 1px; background-image: linear-gradient(to right, rgba(0,0,0,0), rgba(0,0,0,0.25), rgba(0,0,0,0));">
```{r weekly-scores-freq}
# Plot frequency distribution of weekly scores
left_join(SCORES, select(SUMMARY, Team, MeanScore), by="Team") %>%
ggplot(., aes(x=Score, fill=Team)) +
geom_density(color=NA) +
scale_x_continuous(limits=c(min(SCORES$Score), max(SCORES$Score)),
breaks=seq(0, 300, 20),
expand=expansion(add=0)) +
scale_y_continuous(expand=expansion(add=0)) +
facet_grid(rows=vars(fct_reorder(Team, MeanScore, .desc=TRUE)), switch="y") +
scale_fill_see() +
theme_modern(legend.position="none") +
labs(title="Frequency Distribution of Weekly Scores", y=NULL) +
guides(fill=guide_legend(title="Team")) +
theme(axis.line.y=element_blank(), axis.text.y=element_blank(),
strip.text.y.left=element_text(size=13, angle=0,face="plain", hjust=1))
# left_join(SCORES, select(SUMMARY, Team, SDScore), by="Team") %>%
# ggplot(., aes(x=Score, fill=fct_reorder(Team, SDScore, .desc=TRUE))) +
# geom_density(position="stack", size=0) +
# scale_fill_see()
# theme_modern() +
# labs(title="Frequency Distribution of Weekly Scores", y="Probability") +
# guides(fill=guide_legend(title="Team"))
```
<hr>
`r ifelse(max(SCORES$Week) < 17, "", "<!-- Hide this section after week 17")`
## So you're tellin' me there's a chance...
```{r target}
# Estimate what's needed for each team to win the Championship
LEADER <- SCORES %>%
filter(CumulativeScore == max(CumulativeScore)) %>%
left_join(SUMMARY, by="Team") %>%
mutate(Target = CumulativeScore + MeanScore * (17 - Week))
LEADER_NAME <- LEADER %>% .$Team
TARGET_SCORE <- LEADER %>% .$Target %>% round(2)
```
League leader **`r LEADER_NAME`** is on pace to end the season with **`r TARGET_SCORE`** total points. The following table shows what each team would need to score in each of the remaining games to match that score.
```{r catch-up}
CATCH_UP <- SCORES %>%
filter(Week == max(Week)) %>%
left_join(SUMMARY, by="Team") %>%
select(Team, Week, CumulativeScore, MeanScore) %>%
rowwise() %>%
mutate(
TargetMeanScore = (TARGET_SCORE - CumulativeScore) / (17 - Week),
PercentIncrease = max((TargetMeanScore / MeanScore - 1) * 100, 0)
) %>%
arrange(desc(CumulativeScore))
CATCH_UP %>%
transmute(
`Team` = Team,
`Average Score` = round(MeanScore, 2),
`Target Score for Remaining Weeks` = round(TargetMeanScore, 2),
`Percent Improvement Needed` = sprintf("%.0f%%", PercentIncrease)
) %>%
knitr::kable(align="lrrr")
```
Good luck, everyone!
`r ifelse(max(SCORES$Week) < 17, "", "-->")`
`r ifelse(max(SCORES$Week) == 17, "", "<!-- Hide this section before week 17")`
```{r winner}
WINNER_NAME <- SCORES %>%
filter(CumulativeScore == max(CumulativeScore)) %>%
left_join(SUMMARY, by="Team") %>%
.$Team
```
#### Congrats on the championship, `r WINNER_NAME`, and thanks to everyone for another great season!
`r ifelse(max(SCORES$Week) == 17, "", "-->")`