topic description data source, the diamonds, preview of the ggplot2 package is as follows mean(diamonds[which(diamonds$cut== Ideal ),]$price) problem description 1, is there a more convenient way to calculate the mean value of the y-axis of a ba...
install.packages ( "REmap ") Warning message: package REmap is not available (for R version 3.4.0) has tried several versions but failed, what should I do? ...
data is a data box that I imported from excel. data [6 code 8] gets "Blood " tem="" tem=="" switch (tem, ="", "a" ) get TRUE , "Blood " Why are the two cases different? ...
r=read.xlsx ( "F: econometrics calculus data multiregressionp131.xlsx ", 1 min encoding = "UTF-8 ") correct drawing statement plot incorrect drawing statement plot (Xeror [ "expenditure "], yardr [ "disposableincome "]) Error in stripchart.def...
Data cannot be converted to "POSIXlt " category in R now there is a copy of data similar to yyyy-mm-dd hh:mm:ss format stored in the second column of Data.csv < hr > DateTimes <- Data[2] >DateTimes 1 2017-01-01 00:00:00 2 2017-01-01 00:...
the code that completes the stem of the code in the book tm_map(myCorpus,stemCompletion,dictionary=myCorpusCopy) can t you use it now? did not report an error after execution, but the result of an error ...
V1 V2 0.52 0.813 0.75 0.925 1.24 . how to group V2 according to interval (statistical maximum to minimum, divided into n intervals), and count the average of all V1 values in each interval ...
Business: clustering members according to member RFM data. data: CSV,40MB, is greater than 100000 rows. problem: error using factoextra package hkmeans function: Error: cannot allocate vector of size 8143.6 Gb ...
as mentioned, I must simulate the integer attribute GARCH (INGARCH) model in the R environment without using the R packet (package). Unlike the original GARCH, this model is not a normal distribution (normal distribution) but a Poisson split (poisson di...
the code before splicing is like this: c.eval("capture.output(y, file = "mile.xml ")"); spliced code: c.eval("capture.output(y, file = ""+dataContent+".xml ")"); but this kind of stitching me...
copy the theme setting code in "R language practice " by hand. I don t know why I always report an error. The code is as follows: library(ggplot2) data(Salaries, package= car ) mytheme<-(plot.title=element_text(face= bold.italic ,size=14,colo...
when using artTemplate , the .art file does not support emmet . How to set up vscode? ...
as shown in the figure, just like this now, disable the collapse feature and hide the icon. ...
Today I used the react-router onEnter function to verify that the user is logged in. When I went to the official website to check the API document, I found that the V4 version of the document did not have this method, but the v3 document had a descriptio...
the following figure shows the closure in the Red Treasure Book, the classic code. Then, when we look at it, we find that the diagram of the scope chain contains the createComparisonFunction () function and the result variable in the global environment ...
as shown in the figure, I need to set height, according to the window size according to the percentage, but I find that the unit given to% percentage is useless and will automatically become px,. For example, when I set 80%, the page parses to 80px . ...