Hi Medic,
Am 10.05.20 um 09:15 schrieb Medic:> I took a SAMPLE CODE (for Connected scatterplot) from the R gallery
> and applied to MY DATA, but got:
> "Don't know how to automatically pick scale for object ..."
> P.S. 1) R ver. 4.0 (Yes, Jeff); 2) Attached: mydata_dput (1 ??)
>
> SAMPLE CODE
> library(ggplot2)
> library(dplyr)
> library(hrbrthemes)
> data <-
read.table("https://raw.githubusercontent.com/holtzy/data_to_viz/master/Example_dataset/3_TwoNumOrdered.csv
> ", header=T)
>
> data$date <- as.Date(data$date)
>
> # Plot
> data %>%
> tail(10) %>%
> ggplot( aes(x=date, y=value)) +
> geom_line( color="grey") +
> geom_point(shape=21, color="black",
fill="#69b3a2", size=6) +
> theme_ipsum() +
> ggtitle("Evolution of bitcoin price")
>
> =====> MY DATA
> mydata <- read.table("E:/mydata.csv", header=TRUE,
sep=";", dec=",")
>
> str(mydata)
> 'data.frame': 7 obs. of 2 variables:
> $ date : chr "01.01.2000" "02.01.2000" ...
> $ value: int 11 12 ...
>
> mydata$date <- as.Date(mydata$date, "%d.%m.%Y")
>
> str(mydata$date)
> Date[1:7], format: "2000-01-01"
>
> # Bert, thanks for the explanation!
> # Rainer, thanks for the specific code!
>
> # And then the problem:
> mydata %>%
> tail(10) %>%
> ggplot( aes(x=mydata, y=value)) +
> geom_line( color="grey") +
> geom_point(shape=21, color="black",
fill="#69b3a2", size=6) +
> theme_ipsum() +
> ggtitle("Evolution")
>
> "Don't know how to automatically pick scale for object of type
> data.frame. Defaulting to continuous.
> Error: Aesthetics must be either length 1 or the same as the data (7):
x"
Perhaps only a little typo? Pls try
ggplot( aes(x=date, y=value))
^^^^