本文整理汇总了Python中SSUtilities.isNullable方法的典型用法代码示例。如果您正苦于以下问题：Python SSUtilities.isNullable方法的具体用法？Python SSUtilities.isNullable怎么用？Python SSUtilities.isNullable使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SSUtilities的用法示例。
在下文中一共展示了SSUtilities.isNullable方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: runModels
# 需要导入模块: import SSUtilities [as 别名]
# 或者: from SSUtilities import isNullable [as 别名]
def runModels(self):
"""Performs additional validation and populates the
SSDataObject."""
#### Shorthand Attributes ####
ssdo = self.ssdo
#### Create Dependent Variable ####
self.y = ssdo.fields[self.dependentVar].returnDouble()
self.n = ssdo.numObs
self.y.shape = (self.n, 1)
#### Assure that Variance is Larger than Zero ####
yVar = NUM.var(self.y)
if NUM.isnan(yVar) or yVar <= 0.0:
ARCPY.AddIDMessage("Error", 906)
raise SystemExit()
#### Validate Chosen Number of Combos ####
k = len(ssdo.fields)
if self.maxIndVars > (k - 1):
ARCPY.AddIDMessage("WARNING", 1171, self.maxIndVars)
self.maxIndVars = k - 1
ARCPY.AddIDMessage("WARNING", 1172, self.maxIndVars)
#### Assure Degrees of Freedom ####
withIntercept = self.maxIndVars + 1
dof = self.n - withIntercept
if dof <= 2:
ARCPY.AddIDMessage("WARNING", 1128, 2)
dofLimit = self.n - 4
ARCPY.AddIDMessage("WARNING", 1419, dofLimit)
self.maxIndVars = dofLimit
if self.maxIndVars < 1:
ARCPY.AddIDMessage("WARNING", 1173)
#### Assure Min Vars is less than or equal to Max Vars ####
if self.maxIndVars < self.minIndVars:
ARCPY.AddIDMessage("WARNING", 1174)
ARCPY.AddIDMessage("WARNING", 1175)
self.minIndVars = self.maxIndVars
#### Gen Range Combos ####
rangeVars = range(1, k)
rangeCombos = NUM.arange(self.minIndVars, self.maxIndVars+1)
#### Create Base Design Matrix ####
self.x = NUM.ones((self.n, k), dtype = float)
for column, variable in enumerate(self.independentVars):
self.x[:,column + 1] = ssdo.fields[variable].data
#### Calculate Global VIF ####
self.globalVifVals = COLL.defaultdict(float)
if k > 2:
#### Values Less Than One Were Forced by Psuedo-Inverse ####
self.printVIF = True
else:
self.printVIF = False
#### Create Output Table Info ####
if self.outputTable:
#### List of Results ####
self.tableResults = []
#### Valid Table Name and Type ####
self.outputTable, dbf = UTILS.returnTableName(self.outputTable)
outPath, outName = OS.path.split(self.outputTable)
#### Set Field Names (Base) ####
self.outFieldNames = UTILS.getFieldNames(erFieldNames, outPath)
self.outFieldTypes = ["LONG", "DOUBLE", "DOUBLE", "DOUBLE",
"DOUBLE", "DOUBLE", "DOUBLE", "LONG"]
#### Add Field Names (Independent Vars as X#) ####
maxRange = range(1, self.maxIndVars+1)
self.outFieldNames += [ "X" + str(j) for j in maxRange ]
self.outFieldTypes += ["TEXT"] * self.maxIndVars
#### Calculate Max Text Length for Output Fields ####
fieldLens = [ len(i) for i in self.independentVars ]
self.maxFieldLen = max(fieldLens) + 5
tableReportCount = 0
#### Set NULL Values and Flag to Reset Table Name ####
isNullable = UTILS.isNullable(self.outputTable)
if isNullable:
self.nullValue = NUM.nan
else:
self.nullValue = UTILS.shpFileNull["DOUBLE"]
self.dbf = dbf
#### Create Output Report File ####
if self.outputReportFile:
fo = UTILS.openFile(self.outputReportFile, "w")
#### Hold Results for Every Choose Combo ####
self.resultDict = {}
self.vifVarCount = COLL.defaultdict(int)
#.........这里部分代码省略.........