Помогите пожалуста с графиком
Отложена зависимость логарифма константы от потенциала.
Рецензент требует что бы были отложены стандард девиатион, которые указаны в таблице констант. Если логарифмировать стандард девиатион то получаеться 16+/-15, ясно что это неправильно. Если вычислять мин и мах значения, то на графике этого совсем не видно, очень маленькие значения.
Может все таки правильней всего уговорить рецензента?
Как думаете?
 
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Как оформить график правильно
Lidija, 07.10.2008 16:13
Дядя ФАКСер, 07.10.2008 20:19
Исходные данные для каждой точки есть? Отлогаримироыать их- а потом считать SD уже между ними.
чайник, 08.10.2008 09:26
покажите здесь свои цифры и стандартные отклонения, совсем хорошо будет если покажите три колонки
потенциал, константу, стандартное отклонение, покажите - подумаем, что можно сделать ... пока все весьма неопределенно
потенциал, константу, стандартное отклонение, покажите - подумаем, что можно сделать ... пока все весьма неопределенно
al-bat, 09.10.2008 18:52
Возможно, я неправильно понял задачу, но, насколько я ее понял, данная постановка вопроса (рецензента) возможна только в следующей ситуации:
Величина константы измерялась в серии повторных опытов при каждом значении потенциала.
Полученная зависимость среднего значения константы показана на графике (с лог. шкалой).
Рецензента заинтересовало, насколько точное значение представляет показанное среднее. Поэтому он просит показать также и стандартное отклонение константы в каждой серии опытов (т.е. для каждой точки на графике). В идеале он видит, как вы к изображенной кривой среднего значения добавляете еще два графика: 1)среднее минус ст.откл и 2) среднее плюс ст.откл. Их обычно рисуют либо плавной кривой пунктиром, либо усами для каждой точи - все такие графики видели.
Соответственно, в таком случае, логарифм вы будете считать не для стандартного отклонения, а для среднего минус стандартное и среднего плюс стандартное.
Величина константы измерялась в серии повторных опытов при каждом значении потенциала.
Полученная зависимость среднего значения константы показана на графике (с лог. шкалой).
Рецензента заинтересовало, насколько точное значение представляет показанное среднее. Поэтому он просит показать также и стандартное отклонение константы в каждой серии опытов (т.е. для каждой точки на графике). В идеале он видит, как вы к изображенной кривой среднего значения добавляете еще два графика: 1)среднее минус ст.откл и 2) среднее плюс ст.откл. Их обычно рисуют либо плавной кривой пунктиром, либо усами для каждой точи - все такие графики видели.
Соответственно, в таком случае, логарифм вы будете считать не для стандартного отклонения, а для среднего минус стандартное и среднего плюс стандартное.
Lidija, 10.10.2008 10:31
Спасибо всем
Отложила на графике отклонение "усами" мин значение - лог(константа-СД), максимальное - лог(константа+СД).
Думаю пройдет.
Отложила на графике отклонение "усами" мин значение - лог(константа-СД), максимальное - лог(константа+СД).
Думаю пройдет.
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