legend(<location="topright">,legend=<vector\_labelname>,pch=1:3,cex=1,col)——图例,<location>是位置(比如右上),<vector\_labelname>图例类别标签名,pch是图例对应标签的类别id(向量),<cex>调整字体比例大小,颜色设置,legend("topright", levels(<factors>), pch=1:length(levels(factors))) 代码语...
sink("filename")将输出重定向到文件filename,append=TRUE,可追加;split=TRUE可将输出同时发送到屏幕和输出文件中;不加参数调用仅向屏幕返回输出结果。 图形输出函数功能 bmp("filename.bmp") BMP文件 jpeg("filename.jpg") JPEG文件 pdf("filename.pdf") PDF文件 png("filename.png") PNG文件 postscript(...
Example 1: Add Row to Data Frame Using rbind Function Example 1 explains how to append a new row to a data frame with therbind function. Within the rbind function, we have to specify the name of our data frame (i.e. data) as well as the name of our vector (i.e. new_row): da...
legend(<location="topright">,legend=<vector_labelname>,pch=1:3,cex=1,col)——图例,<location>是位置(比如右上),<vector_labelname>图例类别标签名,pch是图例对应标签的类别id(向量),<cex>调整字体比例大小,颜色设置,legend("topright", levels(<factors>), pch=1:length(levels(factors))) text(X,...
vector["A"]——通过名称访问对应元素 a == c(1, 99, 3)——比较每一个元素对应是否相等 c(0,1)——创建向量,向量内元素类型应一致! seq(5,9)和 5:9 ——连续向量,等差数列 seq(5,9,0.5)——以0.5为间隔创建 seq(from,to,length,by) 数据索引 which(is.na(var) == T)——返回对应数组序号...
) # print是以向量结构进行输出到屏幕 # 既能输出到屏幕也能输出到文件 > cat("hello") hello > cat("hello",file="D:/test.txt",append=T) # 输出结果重定向到文件 > sink("D:/test.txt") > getwd() > sink() > getwd() [1] "C:/Users/Tang/Documents" # 文件输出 write.csv("123.csv...
NetwIndex: Vector maps alls hyperlinks (nodes) to unique integer ID (element position in the vector) NetwEdges: data.frame representing edges of the network, with these columns: From, To, Weight (the Depth level where the link connection has been discovered) and Type (number 1 for internal...
Once installed and activated, this plugin adds a new provider (ETL_LOAD) to QGIS Processing. You can find theAppend Features to Layeralgorithm in the Processing Toolbox, underETL_LOAD -> Vector table -> Append features to layer. Copy & Paste features ...
IntToSizeT function (Windows) ULongPtrToSSIZET function (Windows) _IMathInputControlEvents::Insert method (Windows) IWMPNodeRealEstate (deprecated) interface (Windows) operator XMVECTOR method (Windows) operator +(XMVECTOR, XMVECTOR) method (Windows) BackgroundZoom Element Property Management Interfa...
The combination “<” followed by “-“ is the main R assignment operator; the colon is the sequence operator. The command is read “x gets 1 to 20,” and its effect is to assign the variable “x” the value “1:20”, which is a vector (a one-dimensional array) consisting of ...