What values are valid in Pandas 'Freq' tags? Question: I am new to Pandas, and am trying to use date_range. I came across all kinds of good things for freq, like BME and BMS and I would like to be able to quickly look up the proper strings to get what I want. Yesterday I …
Fixation in population with weighted choices using Python Question: I’m trying to do a simulation to see how quickly a population fixates. The population consists of 1s (or p) and 0s (or q) while each individual has 2 elements (either 1-1, 1-0, or 0-0). N is population and since each member of the population has …
python equivalent of R table Question: I have a list [[12, 6], [12, 0], [0, 6], [12, 0], [12, 0], [6, 0], [12, 6], [0, 6], [12, 0], [0, 6], [0, 6], [12, 0], [0, 6], [6, 0], [6, 0], [12, 0], [6, 0], [12, 0], [12, 0], [0, 6], [0, 6], [12, 6], [6, …
Count the frequency that a value occurs in a dataframe column Question: I have a dataset category cat a cat b cat a I’d like to return something like the following which shows the unique values and their frequencies category freq cat a 2 cat b 1 Asked By: yoshiserry || Source Answers: Use value_counts() …
How to get the number of the most frequent value in a column? Question: I have a data frame and I would like to know how many times a given column has the most frequent value. I try to do it in the following way: items_counts = df[‘item’].value_counts() max_item = items_counts.max() As a result I …
How can I compute a histogram (frequency table) for a single Series? Question: How can I generate a frequency table (or histogram) for a single Series? For example, if I have my_series = pandas.Series([1,2,2,3,3,3]), how can I get a result like {1: 1, 2: 2, 3: 3} – that is, a count of how many …
Setting a relative frequency in a matplotlib histogram Question: I have data as a list of floats and I want to plot it as a histogram. Hist() function does the job perfectly for plotting the absolute histogram. However, I cannot figure out how to represent it in a relative frequency format – I would like …
How to find most common elements of a list? Question: Given the following list [‘Jellicle’, ‘Cats’, ‘are’, ‘black’, ‘and’, ‘white,’, ‘Jellicle’, ‘Cats’, ‘are’, ‘rather’, ‘small;’, ‘Jellicle’, ‘Cats’, ‘are’, ‘merry’, ‘and’, ‘bright,’, ‘And’, ‘pleasant’, ‘to’, ‘hear’, ‘when’, ‘they’, ‘caterwaul.’, ‘Jellicle’, ‘Cats’, ‘have’, ‘cheerful’, ‘faces,’, ‘Jellicle’, ‘Cats’, ‘have’, ‘bright’, ‘black’, ‘eyes;’, ‘They’, ‘like’, ‘to’, ‘practise’, ‘their’, ‘airs’, …
Python frequency detection Question: Ok what im trying to do is a kind of audio processing software that can detect a prevalent frequency an if the frequency is played for long enough (few ms) i know i got a positive match. i know i would need to use FFT or something simiral but in this …
How to count the frequency of the elements in an unordered list? Question: Given an unordered list of values like a = [5, 1, 2, 2, 4, 3, 1, 2, 3, 1, 1, 5, 2] How can I get the frequency of each value that appears in the list, like so? # `a` has 4 …
