此Python代码:
import numpy as p
def firstfunction(): UnFilteredDuringExSummaryOfMeansArray = [] MeanOutputHeader=['TestID','ConditionName','FilterType','RRMean','HRMean', 'dZdtMaxVoltageMean','BZMean','ZXMean','LVETMean','Z0Mean', 'StrokeVolumeMean','CardiacOutputMean','VelocityIndexMean'] dataMatrix = BeatByBeatMatrixOfMatrices[column] roughTrimmedMatrix = p.array(dataMatrix[1:,1:17])
trimmedMatrix = p.array(roughTrimmedMatrix,dtype=p.float64) #ERROR THROWN HERE
myMeans = p.mean(trimmedMatrix,axis=0,dtype=p.float64)
conditionMeansArray = [TestID,testCondition,'UnfilteredBefore',myMeans[3], myMeans[4],
myMeans[6], myMeans[9], myMeans[10], myMeans[11], myMeans[12],
myMeans[13], myMeans[14], myMeans[15]]
UnFilteredDuringExSummaryOfMeansArray.append(conditionMeansArray)
secondfunction(UnFilteredDuringExSummaryOfMeansArray)
return
def secondfunction(UnFilteredDuringExSummaryOfMeansArray): RRDuringArray = p.array(UnFilteredDuringExSummaryOfMeansArray,dtype=p.float64)[1:,3] return
firstfunction() 引发此错误信息:
File "mypath\mypythonscript.py", line 3484, in secondfunction RRDuringArray = p.array(UnFilteredDuringExSummaryOfMeansArray,dtype=p.float64)[1:,3] ValueError: setting an array element with a sequence. 谁能告诉我该怎么办才能解决上面破碎的代码中的问题,以便停止抛出错误消息?
编辑: 我做了一个打印命令来获取矩阵的内容,这就是它打印出来的内容:
UnFilteredDuringExSummaryOfMeansArray为:
[['TestID', 'ConditionName', 'FilterType', 'RRMean', 'HRMean', 'dZdtMaxVoltageMean', 'BZMean', 'ZXMean', 'LVETMean', 'Z0Mean', 'StrokeVolumeMean', 'CardiacOutputMean', 'VelocityIndexMean'], [u'HF101710', 'PreEx10SecondsBEFORE', 'UnfilteredBefore', 0.90670000000000006, 66.257731979420001, 1.8305673000000002, 0.11750000000000001, 0.15120546389880002, 0.26870546389879996, 27.628261216480002, 86.944190346160013, 5.767261352345999, 0.066259118585869997], [u'HF101710', '25W10SecondsBEFORE', 'UnfilteredBefore', 0.68478571428571422, 87.727887206978565, 2.2965444125714285, 0.099642857142857144, 0.14952476549885715, 0.24916762264164286, 27.010483303721429, 103.5237336525, 9.0682762747642869, 0.085022572648242867], [u'HF101710', '50W10SecondsBEFORE', 'UnfilteredBefore', 0.54188235294117659, 110.74841107829413, 2.6719262705882354, 0.077705882352917643, 0.15051306356552943, 0.2282189459185294, 26.768787504858825, 111.22827075238826, 12.329456404418824, 0.099814258468417641], [u'HF101710', '75W10SecondsBEFORE', 'UnfilteredBefore', 0.4561904761904762, 131.52996981880955, 3.1818159523809522, 0.074714285714290493, 0.13459344175047619, 0.20930772746485715, 26.391156337028569, 123.27387909873812, 16.214243779323812, 0.1205685359981619]] 对我来说,这看起来像是5行乘13列的矩阵,但是当通过脚本运行不同的数据时,行数是可变的。使用我要添加的相同数据。
从您展示给我们的代码中,我们唯一可以看出的就是您正在尝试从形状不像多维数组的列表中创建数组。例如
numpy.array([[1,2], [2, 3, 4]]) 要么
numpy.array([[1,2], [2, [3, 4]]]) 将产生此错误消息,因为输入列表的形状不是可以转换为多维数组的(通用)“框”。因此可能UnFilteredDuringExSummaryOfMeansArray包含不同长度的序列。
问题来源于stack overflow
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