Read Header Information from Image Analysis Raw Data File
读取图像分析原始数据文件头信息
译者:生物统计家园网 机器人LoveR
描述----------Description----------
Read the header information from a GenePix Results (GPR) file or from an SMD raw data file. These functions are used internally by read.maimages and are not usually called directly by users.
阅读从1 GenePix结果(GPR)的文件或从SMD的原始数据文件头信息。这些函数在内部使用read.maimages通常不是由用户直接调用。
参数:file
character string giving file name. If it does not contain an absolute path, the file name is relative to the current working directory.
字符串文件名。如果它不包含绝对路径,文件名是相对于当前工作目录。
参数:columns
character vector specifying data column headings expected to be in file
特征向量指定的数据列,预计将在文件标题
参数:sep
the character string separating column names
分隔列名的字符串
Details
详情----------Details----------
Raw data files exported by image analysis programs include a number of header lines which contain information about the scanning process. This function extracts that information and locates the line where the intensity data begins. readGPRHeader is for GenePix output and readSMDHeader is for files from the Stanford Microarray Database (SMD). readGenericHeader finds the line in the file on which the data begins by searching for specified column headings.
图像分析方案的原始数据导出的文件包括标题行,其中包含有关扫描过程的信息。这个功能提取信息和定位线的强度数据开始。 readGPRHeaderGenePix输出readSMDHeader是从斯坦福芯片数据库(SMD)的文件。 readGenericHeader发现的文件中的行上的数据开始搜索指定的列标题。
值----------Value----------
A list with components corresponds to lines of header information. A key component is NHeaderRecords which gives the number of lines in the file before the intensity data begins. All other components are character vectors.
一个组件列表对应的行头信息。一个关键组成部分是NHeaderRecords给文件中的行数前的强度数据开始。所有其他组件的特征向量。
作者(S)----------Author(s)----------
Gordon Smyth
参考文献----------References----------
参见----------See Also----------
read.maimages
read.maimages
An overview of LIMMA functions to read data is given in 03.ReadingData.
概述LIMMA功能读取数据给出在03.ReadingData。