Как построить несколько столбцов по оси x в R

Question

Я новичок в R. У меня есть кадр данных, который выглядит как часть this. (Исходный размер данных 20 x 50)

Мне нужно сделать график со всеми столбцами V1 ~ V20 по оси X. Я ожидаю простой сюжет линии, например this (без легенд).

Я попытался реализовать ответы на подобные вопросы на сайте, но я не мог заставить их работать.

Любая помощь будет очень признательна! Заранее спасибо.

EDIT: Я попытался использовать dput() для копирования моих данных (извините, что это долго), надеюсь, что это поможет сделать мой вопрос понятным.

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3.044418, 3.043452, 3.042527, 3.062473, 3.102015, 3.059973, 6.999954, 
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2.999973, 2.999973, 3.222194, 3.157866, 3.049971, 3.04759, 2.999971, 
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3.081052, 3.078918, 3.051253, 3.024971, 3.024361, 3.02378, 2.999971, 
3.022698, 3.022193, 3.02171, 3.042524, 2.999971, 3.040788, 3.039971), .Dim = c(50L, 20L)) 

Answer 1

Предположим, что у вас были случайные блуждания в каждом столбце данных, и вы хотели построить их на одном и том же участке. Функция базового построения matplot позволяет сделать это легко.

Сначала создайте данные

mat <- matrix(sample(c(1,-1),1000, replace = T), nrow = 100,10) 
df <- data.frame(1:100, mat) 

Тогда совокупно просуммировать каждый столбец для создания простого случайного блуждания

df[,2:11] <- apply(df[,2:11], 2, cumsum) 
names(df) <- c("index", paste0("Var",1:10)) 

Затем сюжет его с легендой. df[,-1] указывает вам исключить индексную переменную из matplot.

matplot(df[1], df[,-1], type="l", 
      xlab = "index", lty = 1) 
legend("right", legend = names(df)[-1], inset= .01) 

Есть много других способов визуализировать столбцы данных, это только один.