python - can't chart what I want to chart with .hist() in Pandas -


simple question. it's quite basic. have pandas dataframe named firstperiod , column named megaball. range of values in megaball 1 25, , line of code:

print firstperiod.megaball.value_counts().sort_index()

gives me this, want see (the # of occurrences per possible value)

1     12 2      4 3      9 4      4 5      3 6      6 7      5 8      8 9      7 10    10 11     6 12     5 13     3 14     5 15     6 16     8 17    15 18     7 19     8 20     5 21     8 22     7 23     1 24    11 25     9

but when go to make basic histogram of this, using 

firstperiod.megaball.value_counts().sort_index().hist() plt.show()

the chart isn't want @ (max y-value 6 when should 15, x-axis goes 16). doing wrong?

you don't want histogram of values, want plot them as-is. try:

firstperiod.megaball.value_counts().sort_index().plot(kind='bar')

you may have fiddle other plot options plot how want.


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