質問編集履歴
1
実際に使用するデータを示しました。
test
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File without changes
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test
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@@ -75,3 +75,105 @@
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75
75
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#3566 ruby 0921
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76
76
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77
77
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```
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78
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+
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79
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80
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81
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上記の例では下記のように示すと結果を得ることができました。
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82
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83
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```python
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84
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85
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import pandas as pd
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86
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87
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frame1 = pd.DataFrame({'name':['chika','you','riko','yoshiko','ruby']},index=[2014,2033,2211,3400,3566])
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88
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89
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frame2 = pd.DataFrame({'birthday':['0801','0417','0919','0713','0921']},index=[2014,2033,2211,3400,3566])
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90
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91
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ret = frame1.merge(frame2,left_index=True,right_index=True)
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92
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93
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print(ret)
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94
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95
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"""
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96
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97
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name birthday
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98
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99
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2014 chika 0801
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100
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101
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2033 you 0417
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102
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103
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2211 riko 0919
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104
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105
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3400 yoshiko 0713
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106
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107
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3566 ruby 0921
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108
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109
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"""
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110
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111
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```
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112
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113
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114
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115
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そこでデータフレームの中を下記のように変えたところ、
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116
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117
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AttributeError: 'Series' object has no attribute 'merge'
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118
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119
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エラーが返ってきました。
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120
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121
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```python
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122
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123
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#frame1
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124
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125
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#number
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126
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127
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#2014 5.894737
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128
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129
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#2538 7.214286
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130
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131
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#2698 5.583333
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132
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133
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#2785 7.000000
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134
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135
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#2787 7.764706
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136
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137
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#2816 5.722222
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138
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139
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#2820 0.000000
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140
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141
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# ・・・
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142
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143
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#Length: 1606, dtype: float64
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144
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145
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146
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147
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#frame2
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148
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149
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#number
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150
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151
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#2014 5.894737
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152
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+
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153
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#2538 7.214286
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154
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+
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155
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+
#2698 5.583333
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156
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+
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157
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#2785 7.000000
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158
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+
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159
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+
#2787 7.764706
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160
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+
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161
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#2816 5.722222
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162
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+
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163
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#2820 0.000000
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164
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165
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# ・・・
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166
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167
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#Length: 1606, dtype: float64
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168
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169
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import pandas as pd
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170
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+
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171
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ret = frame1.merge(frame2,left_index=True,right_index=True)
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172
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173
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+
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174
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175
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#結果
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176
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177
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#AttributeError: 'Series' object has no attribute 'merge'
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178
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+
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179
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```
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