rxCall中的错误(“RxMergeXdf”,参数)
我正在尝试合并两个.Xdf文件,下面是相同的代码:rxCall中的错误(“RxMergeXdf”,参数),r,revolution-r,R,Revolution R,我正在尝试合并两个.Xdf文件,下面是相同的代码: rxMergeXdf(inFile1 = "/poc/revor/data/se_lif_1.xdf", inFile2 = "/poc/revor/data/ext_merchant_account_filtered.xdf", outFile = "/poc/revor/data/se_lif_2.xdf", matchVars = c("SE_NO"), type = "inner", missingsLow = TRUE,decre
rxMergeXdf(inFile1 = "/poc/revor/data/se_lif_1.xdf",
inFile2 = "/poc/revor/data/ext_merchant_account_filtered.xdf",
outFile = "/poc/revor/data/se_lif_2.xdf", matchVars = c("SE_NO"),
type = "inner", missingsLow = TRUE,decreasing = FALSE,verbose = 1,
overwrite = TRUE,rowsPerOutputBlock = -1)
但在执行时出现此错误:
Memory buffer limit: 723679 Mb.
Merge Type: 1, Inner
Time to merge data file: 0.025 seconds
Merged data file: /poc/revor/data/se_lif_2.xdf
Error in rxCall("RxMergeXdf", params) :
创建的输出.xdf文件大小为260字节,但无法打开它。当尝试使用rxGetInfoXdf获取此.Xdf的详细信息时,将显示以下消息:
Error in rxCall("RxReadXdf", params) :
This is an old version of a DataFile, and cannot be read.
下面是两个.Xdf文件的文件结构:
1) se_lif_1.xdf
File name: /poc/revor/data/se_lif_1.xdf
Number of observations: 832787765
Number of variables: 2
Number of blocks: 4
Compression type: zlib
Variable information:
Var 1: SE_NO, Type: numeric, Low/High: (1030026553.0000, 9992702050.0000)
Var 2: TOT_CV_LIF, Type: numeric, Low/High: (-2348.7600, 40587.3900)
Data (10 rows starting with row 1):
SE_NO TOT_CV_LIF
1 1030026553 314.45
2 1030049191 60.00
3 1030227870 2643.71
4 1040124257 389.00
5 1040608119 85.59
2) ext_商户_账户_.xdf:
File name: /poc/revor/data/ext_merchant_account_filtered.xdf
Number of observations: 10000
Number of variables: 2
Number of blocks: 4
Compression type: zlib
Variable information:
Var 1: SE_NO, Type: numeric, Low/High: (3047490719.0000, 9380463753.0000)
Var 2: SEIMS_INDUS_DS_CD, Type: character
Data (10 rows starting with row 1):
SE_NO SEIMS_INDUS_DS_CD
1 5510918899 499
2 3132775164 915
3 4107745093 930
4 3125354860 248
5 5510918923 499
有人能帮我解决这个问题吗。我看了代码,但我觉得一切都很好
提前感谢您的帮助……:)
干杯
Amit我在合并两个数据帧时遇到了同样的问题。当右数据框中的左数据框的合并变量没有匹配值时,即输出数据框为空时,出现问题。
低/高值范围可能重叠,但“matchVars”中可能没有匹配项 您的xdf文件可能已损坏。查看将它们作为数据帧读入内存是否有效。如果出现问题,可以将
rxReadXdf
与numRows
参数一起使用,以限制内存使用。