本文整理汇总了Python中pymodule.PassingData.row_index2no_of_NAs方法的典型用法代码示例。如果您正苦于以下问题：Python PassingData.row_index2no_of_NAs方法的具体用法？Python PassingData.row_index2no_of_NAs怎么用？Python PassingData.row_index2no_of_NAs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pymodule.PassingData的用法示例。
在下文中一共展示了PassingData.row_index2no_of_NAs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: remove_rows_with_too_many_NAs
# 需要导入模块: from pymodule import PassingData [as 别名]
# 或者: from pymodule.PassingData import row_index2no_of_NAs [as 别名]
def remove_rows_with_too_many_NAs(
cls, data_matrix, row_cutoff, cols_with_too_many_NAs_set=None, NA_set=Set([0, -2]), debug=0, is_cutoff_max=0
):
"""
2008-05-19
if is_cutoff_max=1, anything > row_cutoff is deemed as having too many NAs
if is_cutoff_max=0 (cutoff is minimum), anything >= row_cutoff is deemed as having too many NAs
2008-05-12
made more robust
add cols_with_too_many_NAs_set
add NA_set
2008-05-08
become classmethod
"""
sys.stderr.write("Removing rows with NA rate >= %s ..." % (row_cutoff))
no_of_rows, no_of_cols = data_matrix.shape
rows_with_too_many_NAs_set = Set()
total_cols_set = Set(range(no_of_cols))
if cols_with_too_many_NAs_set:
cols_to_be_checked = total_cols_set - cols_with_too_many_NAs_set
else:
cols_to_be_checked = total_cols_set
row_index2no_of_NAs = {}
for i in range(no_of_rows):
no_of_NAs = 0.0
for j in cols_to_be_checked:
if data_matrix[i][j] in NA_set:
no_of_NAs += 1
if no_of_cols != 0:
NA_ratio = no_of_NAs / no_of_cols
else:
NA_ratio = 0.0
row_index2no_of_NAs[i] = NA_ratio
if is_cutoff_max:
if NA_ratio > row_cutoff:
rows_with_too_many_NAs_set.add(i)
else:
if NA_ratio >= row_cutoff:
rows_with_too_many_NAs_set.add(i)
if debug:
print
print "rows_with_too_many_NAs_set"
print rows_with_too_many_NAs_set
passingdata = PassingData(rows_with_too_many_NAs_set=rows_with_too_many_NAs_set)
passingdata.row_index2no_of_NAs = row_index2no_of_NAs
sys.stderr.write("%s strains removed, done.\n" % len(rows_with_too_many_NAs_set))
return passingdata