{"id":473,"date":"2023-07-29T19:13:06","date_gmt":"2023-07-29T19:13:06","guid":{"rendered":"https:\/\/statorials.org\/pt\/grafico-de-colisao-em-r-usando-ggplot2\/"},"modified":"2023-07-29T19:13:06","modified_gmt":"2023-07-29T19:13:06","slug":"grafico-de-colisao-em-r-usando-ggplot2","status":"publish","type":"post","link":"https:\/\/statorials.org\/pt\/grafico-de-colisao-em-r-usando-ggplot2\/","title":{"rendered":"Como criar facilmente um gr\u00e1fico de relevo em r usando ggplot2"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">Um <strong>gr\u00e1fico de colis\u00e3o<\/strong> \u00e9 um tipo de gr\u00e1fico que mostra a classifica\u00e7\u00e3o de diferentes grupos ao longo do tempo, em vez de valores absolutos, para enfatizar a ordem dos grupos, em vez da quantidade de mudan\u00e7a.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Este tutorial explica como criar facilmente um gr\u00e1fico de relevo em R usando ggplot2.<\/span><\/p>\n<h2> <strong><span style=\"color: #000000;\">Exemplo: criando um gr\u00e1fico em relevo<\/span><\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Para criar um gr\u00e1fico de colis\u00e3o em R, primeiro precisamos carregar dois pacotes: <strong>dplyr<\/strong> e <strong>ggplot2<\/strong> :<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>library(ggplot2) <span style=\"color: #008080;\">#for creating bump chart<\/span>\nlibrary(dplyr) <span style=\"color: #008080;\">#for manipulating data<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">A seguir, criaremos alguns dados para trabalhar:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#set the seed to make this example reproducible<\/span>\nset.seed(10)\n\ndata &lt;- data.frame(team = rep(LETTERS[1:5], each = 10),\n                   random_num = runif(50),\n                   day = rep(1:10, 5))\n\ndata &lt;- data %&gt;%\n  group_by(day) %&gt;%\n  arrange(day, desc(random_num), team) %&gt;% \n  mutate(rank = row_number()) %&gt;%\n  A group()\n\nhead(data)\n\n# team random_num day rank          \n#1 C 0.865 1 1\n#2 B 0.652 1 2\n#3 D 0.536 1 3\n#4 A 0.507 1 4\n#5 E 0.275 1 5\n#6 C 0.615 2 1<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Este banco de dados mostra simplesmente as \u201cclassifica\u00e7\u00f5es\u201d de cinco equipes diferentes durante um per\u00edodo de 10 dias.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Podemos usar ggplot2 para criar um gr\u00e1fico de progresso para visualizar a classifica\u00e7\u00e3o de cada equipe durante cada dia durante este per\u00edodo:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>ggplot(data, aes(x = day, y = rank, group = team)) +\n  geom_line(aes(color = team, alpha = 1), size = 2) +\n  geom_point(aes(color = team, alpha = 1), size = 4) +\n  scale_y_reverse(breaks = 1:nrow(data))<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Este gr\u00e1fico de relevo exibe os dados no formato desejado, mas \u00e9 muito feio. Com algumas mudan\u00e7as est\u00e9ticas podemos deixar esta pintura muito melhor.<\/span><\/p>\n<h2> <strong><span style=\"color: #000000;\">Estilize o gr\u00e1fico da colis\u00e3o<\/span><\/strong><\/h2>\n<p> <span style=\"color: #000000;\">Para melhorar a apar\u00eancia do gr\u00e1fico, podemos usar o seguinte tema criado por <a href=\"https:\/\/dominikkoch.github.io\/Bump-Chart\/\" target=\"_blank\" rel=\"noopener\">Dominik Koch<\/a> :<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>my_theme &lt;- function() {\n\n  # Colors\n  color.background = \"white\"\n  color.text = \"#22211d\"\n\n  # Begin construction of chart\n  theme_bw(base_size=15) +\n\n    # Format background colors\n    theme(panel.background = element_rect(fill=color.background,\n                                          color=color.background)) +\n    theme(plot.background = element_rect(fill=color.background,\n                                          color=color.background)) +\n    theme(panel.border = element_rect(color=color.background)) +\n    theme(strip.background = element_rect(fill=color.background,\n                                          color=color.background)) +\n\n    # Format the grid\n    theme(panel.grid.major.y = element_blank()) +\n    theme(panel.grid.minor.y = element_blank()) +\n    theme(axis.ticks = element_blank()) +\n\n    # Format the legend\n    theme(legend.position = \"none\") +\n\n    # Format title and axis labels\n    theme(plot.title = element_text(color=color.text, size=20, face = \"bold\")) +\n    theme(axis.title.x = element_text(size=14, color=\"black\", face = \"bold\")) +\n    theme(axis.title.y = element_text(size=14, color=\"black\", face = \"bold\",\n                                          vjust=1.25)) +\n    theme(axis.text.x = element_text(size=10, vjust=0.5, hjust=0.5,\n                                          color = color.text)) +\n    theme(axis.text.y = element_text(size=10, color = color.text)) +\n    theme(strip.text = element_text(face = \"bold\")) +\n\n    # Plot margins\n    theme(plot.margin = unit(c(0.35, 0.2, 0.3, 0.35), \"cm\"))\n}<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Criaremos o gr\u00e1fico de relevo novamente, mas desta vez removeremos a legenda, adicionaremos alguns r\u00f3tulos ao gr\u00e1fico e usaremos o tema definido no c\u00f3digo acima:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>ggplot(data, aes(x = as.factor(day), y = rank, group = team)) +\n  geom_line(aes(color = team, alpha = 1), size = 2) +\n  geom_point(aes(color = team, alpha = 1), size = 4) +\n  geom_point(color = \"#FFFFFF\", size = 1) +\n  scale_y_reverse(breaks = 1:nrow(data)) + \n  scale_x_discrete(breaks = 1:10) +\n  theme(legend.position = 'none') +\n  geom_text(data = data %&gt;% filter(day == \"1\"),\n            aes(label = team, x = 0.5), hjust = .5,\n            fontface = \"bold\", color = \"#888888\", size = 4) +\n  geom_text(data = data %&gt;% filter(day == \"10\"),\n            aes(label = team, x = 10.5), hjust = 0.5,\n            fontface = \"bold\", color = \"#888888\", size = 4) +\n  labs(x = 'Day', y = 'Rank', title = 'Team Ranking by Day') +\n  my_theme()<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Tamb\u00e9m podemos destacar facilmente uma das linhas adicionando um argumento <strong>scale_color_manual()<\/strong> . Por exemplo, no c\u00f3digo a seguir, tornamos a linha do Time A roxa e todas as outras linhas cinza:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>ggplot(data, aes(x = as.factor(day), y = rank, group = team)) +\n  geom_line(aes(color = team, alpha = 1), size = 2) +\n  geom_point(aes(color = team, alpha = 1), size = 4) +\n  geom_point(color = \"#FFFFFF\", size = 1) +\n  scale_y_reverse(breaks = 1:nrow(data)) + \n  scale_x_discrete(breaks = 1:10) +\n  theme(legend.position = 'none') +\n  geom_text(data = data %&gt;% filter(day == \"1\"),\n            aes(label = team, x = 0.5), hjust = .5,\n            fontface = \"bold\", color = \"#888888\", size = 4) +\n  geom_text(data = data %&gt;% filter(day == \"10\"),\n            aes(label = team, x = 10.5), hjust = 0.5,\n            fontface = \"bold\", color = \"#888888\", size = 4) +\n  labs(x = 'Day', y = 'Rank', title = 'Team Ranking by Day') +\n  my_theme() <span style=\"color: #800080;\">+\n  scale_color_manual(values = c('purple', 'grey', 'grey', 'grey', 'grey'))<\/span><\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Tamb\u00e9m poder\u00edamos destacar v\u00e1rias linhas se quis\u00e9ssemos:<\/span><\/p>\n<pre style=\"background-color: #e5e5e5; font-size: 15px;\"> <strong>ggplot(data, aes(x = as.factor(day), y = rank, group = team)) +\n  geom_line(aes(color = team, alpha = 1), size = 2) +\n  geom_point(aes(color = team, alpha = 1), size = 4) +\n  geom_point(color = \"#FFFFFF\", size = 1) +\n  scale_y_reverse(breaks = 1:nrow(data)) + \n  scale_x_discrete(breaks = 1:10) +\n  theme(legend.position = 'none') +\n  geom_text(data = data %&gt;% filter(day == \"1\"),\n            aes(label = team, x = 0.5), hjust = .5,\n            fontface = \"bold\", color = \"#888888\", size = 4) +\n  geom_text(data = data %&gt;% filter(day == \"10\"),\n            aes(label = team, x = 10.5), hjust = 0.5,\n            fontface = \"bold\", color = \"#888888\", size = 4) +\n  labs(x = 'Day', y = 'Rank', title = 'Team Ranking by Day') +\n  my_theme() <span style=\"color: #800080;\">+\n  scale_color_manual(values = c('purple', 'steelblue', 'grey', 'grey', 'grey'))<\/span><\/strong><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Um gr\u00e1fico de colis\u00e3o \u00e9 um tipo de gr\u00e1fico que mostra a classifica\u00e7\u00e3o de diferentes grupos ao longo do tempo, em vez de valores absolutos, para enfatizar a ordem dos grupos, em vez da quantidade de mudan\u00e7a. Este tutorial explica como criar facilmente um gr\u00e1fico de relevo em R usando ggplot2. Exemplo: criando um gr\u00e1fico [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-473","post","type-post","status-publish","format-standard","hentry","category-guia"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Como criar facilmente um gr\u00e1fico de relevo em R usando ggplot2 - Statorials<\/title>\n<meta name=\"description\" content=\"Este tutorial explica como criar facilmente um gr\u00e1fico de relevo em R usando ggplot2.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/pt\/grafico-de-colisao-em-r-usando-ggplot2\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como criar facilmente um gr\u00e1fico de relevo em R usando ggplot2 - Statorials\" \/>\n<meta property=\"og:description\" content=\"Este tutorial explica como criar facilmente um gr\u00e1fico de relevo em R usando ggplot2.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pt\/grafico-de-colisao-em-r-usando-ggplot2\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-29T19:13:06+00:00\" \/>\n<meta name=\"author\" content=\"Dr. benjamim anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Dr. benjamim anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Tempo estimado de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pt\/grafico-de-colisao-em-r-usando-ggplot2\/\",\"url\":\"https:\/\/statorials.org\/pt\/grafico-de-colisao-em-r-usando-ggplot2\/\",\"name\":\"Como criar facilmente um gr\u00e1fico de relevo em R usando ggplot2 - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pt\/#website\"},\"datePublished\":\"2023-07-29T19:13:06+00:00\",\"dateModified\":\"2023-07-29T19:13:06+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\"},\"description\":\"Este tutorial explica como criar facilmente um gr\u00e1fico de relevo em R usando ggplot2.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pt\/grafico-de-colisao-em-r-usando-ggplot2\/#breadcrumb\"},\"inLanguage\":\"pt-PT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pt\/grafico-de-colisao-em-r-usando-ggplot2\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pt\/grafico-de-colisao-em-r-usando-ggplot2\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Lar\",\"item\":\"https:\/\/statorials.org\/pt\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Como criar facilmente um gr\u00e1fico de relevo em r usando ggplot2\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pt\/#website\",\"url\":\"https:\/\/statorials.org\/pt\/\",\"name\":\"Statorials\",\"description\":\"O seu guia para a literacia estat\u00edstica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pt\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pt-PT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/e08f98e8db95e0aa9c310e1b27c9c666\",\"name\":\"Dr. benjamim anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-PT\",\"@id\":\"https:\/\/statorials.org\/pt\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pt\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Dr. benjamim anderson\"},\"description\":\"Ol\u00e1, sou Benjamin, um professor aposentado de estat\u00edstica que se tornou professor dedicado na Statorials. 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